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Weiye Loh

The Free Speech Blog: Official blog of Index on Censorship » Thank God for th... - 0 views

  • The US Supreme Court ruled yesterday by an 8-1 vote that the bizarre anti-gay funeral picketers belonging to the Westboro Baptist Church have a First Amendment right to free speech. Rev Fred Phelps and his crew have been waving placards with messages such as “Thank God for Dead Soldiers” and “AIDS Cures Fags” at military funerals to promote their belief that God is punishing the US for accepting homosexuality.
  • The Supreme Court decision (see below) overruled a previous award of over $10 million (reduced on appeal to $5 million) to the family of Lance Corporal Matthew Snyder in relation to a protest at his funeral.
  • First, undoubtedly debate about war, its causes and casualties is important. This was “speech” in a public place on an issue of public concern, even though the particular hypothesis is ridiculous and offensive. Free speech protection can’t, however, just be for views already presumed to be true. Secondly, protestors were scrupulous about staying within the letter of the law. They knew that they had to remain 1,000 feet from the funeral, for instance, and did not shout or otherwise disrupt the service. Preventing such orderly protests on issues of importance would have been a serious attack on civil liberties, even though the protestors displayed gross insensitivity to those mourning.
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  • we should welcome this decision even though it protects bigots of limited reasoning ability about cause and effect who are indifferent to the feelings of the recently bereaved. The best response to hateful speech is surely counter-speech. At many recent military funerals, counter-protestors have arrived early in their thousands and occupied the prime spaces in the surrounding area. That is a far better reaction than a legal gagging order.
Weiye Loh

Skepticblog » A Creationist Challenge - 0 views

  • The commenter starts with some ad hominems, asserting that my post is biased and emotional. They provide no evidence or argument to support this assertion. And of course they don’t even attempt to counter any of the arguments I laid out. They then follow up with an argument from authority – he can link to a PhD creationist – so there.
  • The article that the commenter links to is by Henry M. Morris, founder for the Institute for Creation Research (ICR) – a young-earth creationist organization. Morris was (he died in 2006 following a stroke) a PhD – in civil engineering. This point is irrelevant to his actual arguments. I bring it up only to put the commenter’s argument from authority into perspective. No disrespect to engineers – but they are not biologists. They have no expertise relevant to the question of evolution – no more than my MD. So let’s stick to the arguments themselves.
  • The article by Morris is an overview of so-called Creation Science, of which Morris was a major architect. The arguments he presents are all old creationist canards, long deconstructed by scientists. In fact I address many of them in my original refutation. Creationists generally are not very original – they recycle old arguments endlessly, regardless of how many times they have been destroyed.
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  • Morris also makes heavy use of the “taking a quote out of context” strategy favored by creationists. His quotes are often from secondary sources and are incomplete.
  • A more scholarly (i.e. intellectually honest) approach would be to cite actual evidence to support a point. If you are going to cite an authority, then make sure the quote is relevant, in context, and complete.
  • And even better, cite a number of sources to show that the opinion is representative. Rather we get single, partial, and often outdated quotes without context.
  • (nature is not, it turns out, cleanly divided into “kinds”, which have no operational definition). He also repeats this canard: Such variation is often called microevolution, and these minor horizontal (or downward) changes occur fairly often, but such changes are not true “vertical” evolution. This is the microevolution/macroevolution false dichotomy. It is only “often called” this by creationists – not by actual evolutionary scientists. There is no theoretical or empirical division between macro and micro evolution. There is just evolution, which can result in the full spectrum of change from minor tweaks to major changes.
  • Morris wonders why there are no “dats” – dog-cat transitional species. He misses the hierarchical nature of evolution. As evolution proceeds, and creatures develop a greater and greater evolutionary history behind them, they increasingly are committed to their body plan. This results in a nestled hierarchy of groups – which is reflected in taxonomy (the naming scheme of living things).
  • once our distant ancestors developed the basic body plan of chordates, they were committed to that body plan. Subsequent evolution resulted in variations on that plan, each of which then developed further variations, etc. But evolution cannot go backward, undo evolutionary changes and then proceed down a different path. Once an evolutionary line has developed into a dog, evolution can produce variations on the dog, but it cannot go backwards and produce a cat.
  • Stephen J. Gould described this distinction as the difference between disparity and diversity. Disparity (the degree of morphological difference) actually decreases over evolutionary time, as lineages go extinct and the surviving lineages are committed to fewer and fewer basic body plans. Meanwhile, diversity (the number of variations on a body plan) within groups tends to increase over time.
  • the kind of evolutionary changes that were happening in the past, when species were relatively undifferentiated (compared to contemporary species) is indeed not happening today. Modern multi-cellular life has 600 million years of evolutionary history constraining their future evolution – which was not true of species at the base of the evolutionary tree. But modern species are indeed still evolving.
  • Here is a list of research documenting observed instances of speciation. The list is from 1995, and there are more recent examples to add to the list. Here are some more. And here is a good list with references of more recent cases.
  • Next Morris tries to convince the reader that there is no evidence for evolution in the past, focusing on the fossil record. He repeats the false claim (again, which I already dealt with) that there are no transitional fossils: Even those who believe in rapid evolution recognize that a considerable number of generations would be required for one distinct “kind” to evolve into another more complex kind. There ought, therefore, to be a considerable number of true transitional structures preserved in the fossils — after all, there are billions of non-transitional structures there! But (with the exception of a few very doubtful creatures such as the controversial feathered dinosaurs and the alleged walking whales), they are not there.
  • I deal with this question at length here, pointing out that there are numerous transitional fossils for the evolution of terrestrial vertebrates, mammals, whales, birds, turtles, and yes – humans from ape ancestors. There are many more examples, these are just some of my favorites.
  • Much of what follows (as you can see it takes far more space to correct the lies and distortions of Morris than it did to create them) is classic denialism – misinterpreting the state of the science, and confusing lack of information about the details of evolution with lack of confidence in the fact of evolution. Here are some examples – he quotes Niles Eldridge: “It is a simple ineluctable truth that virtually all members of a biota remain basically stable, with minor fluctuations, throughout their durations. . . .“ So how do evolutionists arrive at their evolutionary trees from fossils of organisms which didn’t change during their durations? Beware the “….” – that means that meaningful parts of the quote are being omitted. I happen to have the book (The Pattern of Evolution) from which Morris mined that particular quote. Here’s the rest of it: (Remember, by “biota” we mean the commonly preserved plants and animals of a particular geological interval, which occupy regions often as large as Roger Tory Peterson’s “eastern” region of North American birds.) And when these systems change – when the older species disappear, and new ones take their place – the change happens relatively abruptly and in lockstep fashion.”
  • Eldridge was one of the authors (with Gould) of punctuated equilibrium theory. This states that, if you look at the fossil record, what we see are species emerging, persisting with little change for a while, and then disappearing from the fossil record. They theorize that most species most of the time are at equilibrium with their environment, and so do not change much. But these periods of equilibrium are punctuated by disequilibrium – periods of change when species will have to migrate, evolve, or go extinct.
  • This does not mean that speciation does not take place. And if you look at the fossil record we see a pattern of descendant species emerging from ancestor species over time – in a nice evolutionary pattern. Morris gives a complete misrepresentation of Eldridge’s point – once again we see intellectual dishonesty in his methods of an astounding degree.
  • Regarding the atheism = religion comment, it reminds me of a great analogy that I first heard on twitter from Evil Eye. (paraphrase) “those that say atheism is a religion, is like saying ‘not collecting stamps’ is a hobby too.”
  • Morris next tackles the genetic evidence, writing: More often is the argument used that similar DNA structures in two different organisms proves common evolutionary ancestry. Neither argument is valid. There is no reason whatever why the Creator could not or would not use the same type of genetic code based on DNA for all His created life forms. This is evidence for intelligent design and creation, not evolution.
  • Here is an excellent summary of the multiple lines of molecular evidence for evolution. Basically, if we look at the sequence of DNA, the variations in trinucleotide codes for amino acids, and amino acids for proteins, and transposons within DNA we see a pattern that can only be explained by evolution (or a mischievous god who chose, for some reason, to make life look exactly as if it had evolved – a non-falsifiable notion).
  • The genetic code is essentially comprised of four letters (ACGT for DNA), and every triplet of three letters equates to a specific amino acid. There are 64 (4^3) possible three letter combinations, and 20 amino acids. A few combinations are used for housekeeping, like a code to indicate where a gene stops, but the rest code for amino acids. There are more combinations than amino acids, so most amino acids are coded for by multiple combinations. This means that a mutation that results in a one-letter change might alter from one code for a particular amino acid to another code for the same amino acid. This is called a silent mutation because it does not result in any change in the resulting protein.
  • It also means that there are very many possible codes for any individual protein. The question is – which codes out of the gazillions of possible codes do we find for each type of protein in different species. If each “kind” were created separately there would not need to be any relationship. Each kind could have it’s own variation, or they could all be identical if they were essentially copied (plus any mutations accruing since creation, which would be minimal). But if life evolved then we would expect that the exact sequence of DNA code would be similar in related species, but progressively different (through silent mutations) over evolutionary time.
  • This is precisely what we find – in every protein we have examined. This pattern is necessary if evolution were true. It cannot be explained by random chance (the probability is absurdly tiny – essentially zero). And it makes no sense from a creationist perspective. This same pattern (a branching hierarchy) emerges when we look at amino acid substitutions in proteins and other aspects of the genetic code.
  • Morris goes for the second law of thermodynamics again – in the exact way that I already addressed. He responds to scientists correctly pointing out that the Earth is an open system, by writing: This naive response to the entropy law is typical of evolutionary dissimulation. While it is true that local order can increase in an open system if certain conditions are met, the fact is that evolution does not meet those conditions. Simply saying that the earth is open to the energy from the sun says nothing about how that raw solar heat is converted into increased complexity in any system, open or closed. The fact is that the best known and most fundamental equation of thermodynamics says that the influx of heat into an open system will increase the entropy of that system, not decrease it. All known cases of decreased entropy (or increased organization) in open systems involve a guiding program of some sort and one or more energy conversion mechanisms.
  • Energy has to be transformed into a usable form in order to do the work necessary to decrease entropy. That’s right. That work is done by life. Plants take solar energy (again – I’m not sure what “raw solar heat” means) and convert it into food. That food fuels the processes of life, which include development and reproduction. Evolution emerges from those processes- therefore the conditions that Morris speaks of are met.
  • But Morris next makes a very confused argument: Evolution has neither of these. Mutations are not “organizing” mechanisms, but disorganizing (in accord with the second law). They are commonly harmful, sometimes neutral, but never beneficial (at least as far as observed mutations are concerned). Natural selection cannot generate order, but can only “sieve out” the disorganizing mutations presented to it, thereby conserving the existing order, but never generating new order.
  • The notion that evolution (as if it’s a thing) needs to use energy is hopelessly confused. Evolution is a process that emerges from the system of life – and life certainly can use solar energy to decrease its entropy, and by extension the entropy of the biosphere. Morris slips into what is often presented as an information argument.  (Yet again – already dealt with. The pattern here is that we are seeing a shuffling around of the same tired creationists arguments.) It is first not true that most mutations are harmful. Many are silent, and many of those that are not silent are not harmful. They may be neutral, they may be a mixed blessing, and their relative benefit vs harm is likely to be situational. They may be fatal. And they also may be simply beneficial.
  • Morris finishes with a long rambling argument that evolution is religion. Evolution is promoted by its practitioners as more than mere science. Evolution is promulgated as an ideology, a secular religion — a full-fledged alternative to Christianity, with meaning and morality . . . . Evolution is a religion. This was true of evolution in the beginning, and it is true of evolution still today. Morris ties evolution to atheism, which, he argues, makes it a religion. This assumes, of course, that atheism is a religion. That depends on how you define atheism and how you define religion – but it is mostly wrong. Atheism is a lack of belief in one particular supernatural claim – that does not qualify it as a religion.
  • But mutations are not “disorganizing” – that does not even make sense. It seems to be based on a purely creationist notion that species are in some privileged perfect state, and any mutation can only take them farther from that perfection. For those who actually understand biology, life is a kluge of compromises and variation. Mutations are mostly lateral moves from one chaotic state to another. They are not directional. But they do provide raw material, variation, for natural selection. Natural selection cannot generate variation, but it can select among that variation to provide differential survival. This is an old game played by creationists – mutations are not selective, and natural selection is not creative (does not increase variation). These are true but irrelevant, because mutations increase variation and information, and selection is a creative force that results in the differential survival of better adapted variation.
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    One of my earlier posts on SkepticBlog was Ten Major Flaws in Evolution: A Refutation, published two years ago. Occasionally a creationist shows up to snipe at the post, like this one:i read this and found it funny. It supposedly gives a scientific refutation, but it is full of more bias than fox news, and a lot of emotion as well.here's a scientific case by an actual scientists, you know, one with a ph. D, and he uses statements by some of your favorite evolutionary scientists to insist evolution doesn't exist.i challenge you to write a refutation on this one.http://www.icr.org/home/resources/resources_tracts_scientificcaseagainstevolution/Challenge accepted.
Weiye Loh

If climate scientists are in it for the money, they're doing it wrong - 0 views

  • Since it doesn't have a lot of commercial appeal, most of the people working in the area, and the vast majority of those publishing the scientific literature, work in academic departments or at government agencies. Penn State, home of noted climatologists Richard Alley and Michael Mann, has a strong geosciences department and, conveniently, makes the department's salary information available. It's easy to check, and find that the average tenured professor earned about $120,000 last year, and a new hire a bit less than $70,000.
  • That's a pretty healthy salary by many standards, but it's hardly a racket. Penn State appears to be on the low end of similar institutions, and is outdone by two other institutions in its own state (based on this report). But, more significantly for the question at hand, we can see that Earth Sciences faculty aren't paid especially well. Sure, they do much better than the Arts faculty, but they're somewhere in the middle of the pack, and get stomped on by professors in the Business and IT departments.
  • This is all, of course, ignoring what someone who can do the sort of data analysis or modeling of complex systems that climatologists perform might make if they went to Wall Street.
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  • It's also worth pointing out what they get that money for, as exemplified by a fairly typical program announcement for NSF grants. Note that it calls for studies of past climate change and its impact on the weather. This sort of research could support the current consensus view, but it just as easily might not. And here's the thing: it's impossible to tell before the work's done. Even a study looking at the flow of carbon into and out of the atmosphere, which would seem to be destined to focus on anthropogenic climate influences, might identify a previously unknown or underestimated sink or feedback. So, even if the granting process were biased (and there's been no indication that it is), there is no way for it to prevent people from obtaining contrary data. The granting system is also set up to induce people to publish it, since a grant that doesn't produce scientific papers can make it impossible for a professor to obtain future funding.
  • Maybe the money is in the perks that come with grants, which provide for travel and lab toys. Unfortunately, there's no indication that there's lots of money out there for the taking, either from the public or private sector. For the US government, spending on climate research across 13 different agencies (from the Department of State to NASA) is tracked by the US Climate Change Science Program. The group has tracked the research budget since 1989, but not everything was brought under its umbrella until 1991. That year, according to CCSP figures, about $1.45 billion was spent on climate research (all figures are in 2007 dollars). Funding peaked back in 1995 at $2.4 billion, then bottomed out in 2006 at only $1.7 billion.
  • Funding has gone up a bit over the last couple of years, and some stimulus money went into related programs. But, in general, the trend has been a downward one for 15 years; it's not an area you'd want to go into if you were looking for a rich source of grant money. If you were, you would target medical research, for which the NIH had a $31 billion budget plus another $10 billion in stimulus money.
  • Not all of this money went to researchers anyway; part of the budget goes to NASA, and includes some of that agency's (rather pricey) hardware. For example, the Orbiting Carbon Observatory cost roughly $200 million, but failed to go into orbit; its replacement is costing another $170 million.
  • Might the private sector make up for the lack of government money? Pretty unlikely. For starters, it's tough to identify many companies that have a vested interest in the scientific consensus. Renewable energy companies would seem to be the biggest winners, but they're still relatively tiny. Neither the largest wind or photovoltaic manufacturers (Vestas and First Solar) appear in the Financial Times' list of the world's 500 largest companies. In contrast, there are 16 oil companies in the of the top 100, and they occupy the top two spots. Exxon's profits in 2010 were nearly enough to buy both Vestas and First Solar, given their market valuations in late February.
  • climate researchers are scrambling for a piece of a smaller piece of the government-funded pie, and the resources of the private sector are far, far more likely to go to groups that oppose their conclusions.
  • If you were paying careful attention to that last section, you would have noticed something funny: the industry that seems most likely to benefit from taking climate change seriously produces renewable energy products. However, those companies don't employ any climatologists. They probably have plenty of space for engineers, materials scientists, and maybe a quantum physicist or two, but there's not much that a photovoltaic company would do with a climatologist. Even by convincing the public of their findings—namely, climate change is real, and could have serious impacts—the scientists are not doing themselves any favors in terms of job security or alternative careers.
  • But, surely, by convincing the public, or at least the politicians, that there's something serious here, they ensure their own funding? That's arguably not true either, and the stimulus package demonstrates that nicely. The US CCSP programs, in total, got a few hundred million dollars from the stimulus. In contrast, the Department of Energy got a few billion. Carbon capture and sequestration alone received $2.4 billion, more than the entire CCSP budget.
  • The problem is that climatologists are well equipped to identify potential problems, but very poorly equipped to solve them; it would be a bit like expecting an astronomer to know how to destroy a threatening asteroid.
  • The solutions to problems related to climate change are going to come in areas like renewable energy, carbon sequestration, and efficiency measures; that's where most of the current administration's efforts have focused. None of these are areas where someone studying the climate is likely to have a whole lot to add. So, when they advocate that the public take them seriously, they're essentially asking the public to send money to someone else.
Weiye Loh

Do Fights Over Climate Communication Reflect the End of 'Scientism'? - NYTimes.com - 0 views

  • climate (mis)communication. Two sessions explored a focal point of this blog, the interface of climate science and policy, and the roles of scientists and the media in fostering productive discourse. Both discussions homed in on an uncomfortable reality — the erosion of a longstanding presumption that scientific information, if communicated more effectively, will end up framing policy choices.
  • First I sat in on a symposium on the  future of climate communication in a world where traditional science journalism is a shrinking wedge of a growing pie of communication options. The discussion didn’t really provide many answers, but did reveal the persistent frustrations of some scientists with the way the media cover their field.
  • Sparks flew between Kerry Emanuel, a climatologist long focused on hurricanes and warming, and Seth Borenstein, who covers climate and other science for the Associated Press. Borenstein spoke highly of a Boston Globe dual profile of Emanuel and his colleague at the Massachusetts Institute of Technology,  Richard Lindzen. To Emanuel, the piece was a great example of what he described as “he said, he said” coverage of science. Borenstein replied that this particular piece was not centered on the science, but on the men — in the context of their relationship, research and worldviews. (It’s worth noting that Emanuel, whom I’ve been interviewing on hurricanes and climate since 1988, describes himself as  a conservative and, mainly, Republican voter.)
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  • Keith Kloor, blogging on the session  at Collide-a-Scape, included a sobering assessment of the scientist-journalist tensions over global warming from Tom Rosensteil, a panelist and long-time journalist who now heads up Pew’s Project for Excellence in Journalism: If you’re waiting for the press to persuade the public, you’re going to lose. The press doesn’t see that as its job.
  • scientists have  a great opportunity, and responsibility, to tell their own story more directly, as some are doing occasionally through Dot Earth “ Post Cards” and The Times’ Scientist at Work blog.
  • Naomi Oreskes, a political scientist at the University of California, San Diego, and co-author of “Merchants of Doubt“: Of Mavericks and Mules Gavin Schmidt of NASA’s Goddard Institute for Space Studies and Realclimate.org: Between Sound Bites and the Scientific Paper: Communicating in the Hinterland Thomas Lessl, a scholar at the University of Georgia focused on the cultural history of science: Reforming Scientific Communication About Anthropogenic Climate Change
  • I focused on two words in the title of the session — diversity and denial. The diversity of lines of inquiry in climate science has a two-pronged impact. It helps build a robust overall picture of a growing human influence on a complex system. But for many of the most important  pixel points in that picture, there is robust, durable and un-manufactured debate. That debate can then be exploited by naysayers eager to cast doubt on the enterprise, when in fact — as I’ve written here before — it’s simply the (sometimes ugly) way that science progresses.
  • My denial, I said, lay in my longstanding presumption, like that of many scientists and journalists, that better communication of information will tend to change people’s perceptions, priorities and behavior. This attitude, in my view, crested for climate scientists in the wake of the 2007 report from the Intergovernmental Panel on Climate Change.
  • In his talk, Thomas Lessl said much of this attitude is rooted in what he and some other social science scholars call “scientism,” the idea — rooted in the 19th century — that scientific inquiry is a “distinctive mode of inquiry that promises to bring clarity to all human endeavors.” [5:45 p.m. | Updated Chris Mooney sent an e-mail noting how the discussion below resonates with "Do Scientists Understand the Public," a report he wrote last year for the American Academy of Arts and Sciences and explored here.]
  • Scientism, though it is good at promoting the recognition that scientific knowledge is the only kind of knowledge, also promotes communication behavior that is bad for the scientific ethos. By this I mean that it turns such communication into combat. By presuming that scientific understanding is the only criterion that matters, scientism inclines public actors to treat resistant audiences as an enemy: If the public doesn’t get the science, shame on the public. If the public rejects a scientific claim, it is either because they don’t get it or because they operate upon some sinister motive.
  • Scientific knowledge cannot take the place of prudence in public affairs.
  • Prudence, according to Robert Harriman, “is the mode of reasoning about contingent matters in order to select the best course of action. Contingent events cannot be known with certainty, and actions are intelligible only with regard to some idea of what is good.”
  • Scientism tends to suppose a one-size-fits-all notion of truth telling. But in the public sphere, people don’t think that way. They bring to the table a variety of truth standards: moral judgment, common-sense judgment, a variety of metaphysical perspectives, and ideological frameworks. The scientists who communicate about climate change may regard these standards as wrong-headed or at best irrelevant, but scientists don’t get to decide this in a democratic debate. When scientists become public actors, they have stepped outside of science, and they are obliged to honor the rules of communication and thought that govern the rest of the world. This might be different, if climate change was just about determining the causes of climate change, but it never is. Getting from the acceptance of ACC to acceptance of the kinds of emissions-reducing policies that are being advocated takes us from one domain of knowing into another.
  • One might object by saying that the formation of public policy depends upon first establishing the scientific bases of ACC, and that the first question can be considered independently of the second. Of course that is right, but that is an abstract academic distinction that does not hold in public debates. In public debates a different set of norms and assumptions apply: motive is not to be casually set aside as a nonfactor. Just because scientists customarily bracket off scientific topics from their policy implications does not mean that lay people do this—or even that they should be compelled to do so. When scientists talk about one thing, they seem to imply the other. But which is the motive force? Are they advocating for ACC because they subscribe to a political worldview that supports legal curtailments upon free enterprise? Or do they support such a political worldview because they are convinced of ACC? The fact that they speak as scientists may mean to other scientists that they reason from evidence alone. But the public does not necessarily share this assumption. If scientists don’t respect this fact about their audiences, they are bound to get in trouble. [Read the rest.]
Weiye Loh

Likert scale - Wikipedia, the free encyclopedia - 0 views

  • Whether individual Likert items can be considered as interval-level data, or whether they should be considered merely ordered-categorical data is the subject of disagreement. Many regard such items only as ordinal data, because, especially when using only five levels, one cannot assume that respondents perceive all pairs of adjacent levels as equidistant. On the other hand, often (as in the example above) the wording of response levels clearly implies a symmetry of response levels about a middle category; at the very least, such an item would fall between ordinal- and interval-level measurement; to treat it as merely ordinal would lose information. Further, if the item is accompanied by a visual analog scale, where equal spacing of response levels is clearly indicated, the argument for treating it as interval-level data is even stronger.
  • When treated as ordinal data, Likert responses can be collated into bar charts, central tendency summarised by the median or the mode (but some would say not the mean), dispersion summarised by the range across quartiles (but some would say not the standard deviation), or analyzed using non-parametric tests, e.g. chi-square test, Mann–Whitney test, Wilcoxon signed-rank test, or Kruskal–Wallis test.[4] Parametric analysis of ordinary averages of Likert scale data is also justifiable by the Central Limit Theorem, although some would disagree that ordinary averages should be used for Likert scale data.
Weiye Loh

Real Climate faces libel suit | Environment | guardian.co.uk - 0 views

  • Gavin Schmidt, a climate modeller and Real Climate member based at Nasa's Goddard Institute for Space Studies in New York, has claimed that Energy & Environment (E&E) has "effectively dispensed with substantive peer review for any papers that follow the editor's political line." The journal denies the claim, and, according to Schmidt, has threatened to take further action unless he retracts it.
  • Every paper that is submitted to the journal is vetted by a number of experts, she said. But she did not deny that she allows her political agenda to influence which papers are published in the journal. "I'm not ashamed to say that I deliberately encourage the publication of papers that are sceptical of climate change," said Boehmer-Christiansen, who does not believe in man-made climate change.
  • Simon Singh, a science writer who last year won a major libel battle with the British Chiropractic Association (BCA), said: "A libel threat is potentially catastrophic. It can lead to a journalist going bankrupt or a blogger losing his house. A lot of journalists and scientists will understandably react to the threat of libel by retracting their articles, even if they are confident they are correct. So I'm delighted that Gavin Schmidt is going to stand up for what he has written." During the case with the BCA, Singh also received a libel threat in response to an article he had written about climate change, but Singh stood by what he had written and threat was not carried through.
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  • Schmidt has refused to retract his comments and maintains that the majority of papers published in the journal are "dross"."I would personally not credit any article that was published there with any useful contribution to the science," he told the Guardian. "Saying a paper was published in E&E has become akin to immediately discrediting it." He also describes the journal as a "backwater" of poorly presented and incoherent contributions that "anyone who has done any science can see are fundamentally flawed from the get-go."
  • Schmidt points to an E&E paper that claimed that the Sun is made of iron. "The editor sent it out for review, where it got trashed (as it should have been), and [Boehmer-Christiansen] published it anyway," he says.
  • The journal also published a much-maligned analysis suggesting that levels of the greenhouse gas carbon dioxide could go up and down by 100 parts per million in a year or two, prompting marine biologist Ralph Keeling at the Scripps Institute of Oceanography in La Jolla, California to write a response to the journal, in which he asked: "Is it really the intent of E&E to provide a forum for laundering pseudo-science?"
  • Schmidt and Keeling are not alone in their criticisms. Roger Pielke Jr, a professor of environmental studies at the University of Colorado, said he regrets publishing a paper in the journal in 2000 – one year after it was established and before he had time to realise that it was about to become a fringe platform for climate sceptics. "[E&E] has published a number of low-quality papers, and the editor's political agenda has clearly undermined the legitimacy of the outlet," Pielke says. "If I had a time machine I'd go back and submit our paper elsewhere."
  • Any paper published in E&E is now ignored by the broader scientific community, according to Pielke. "In some cases perhaps that is justified, but I would argue that it provided a convenient excuse to ignore our paper on that basis alone, and not on the merits of its analysis," he said. In the long run, Pielke is confident that good ideas will win out over bad ideas. "But without care to the legitimacy of our science institutions – including journals and peer review – that long run will be a little longer," he says.
  • she has no intention of changing the way she runs E&E – which is not listed on the ISI Journal Master list, an official list of academic journals – in response to his latest criticisms.
  • Schmidt is unsurprised. "You would need a new editor, new board of advisors, and a scrupulous adherence to real peer review, perhaps ... using an open review process," he said. "But this is very unlikely to happen since their entire raison d'être is political, not scientific."
Weiye Loh

Roger Pielke Jr.'s Blog: Two View on Science and Politics - 0 views

  • My father is testifying before the House Energy & Committee today in what will inevitably be a show hearing using climate scientists as props
  • I did note a stark contrast in how Richard Somerville presented the role of science and policy and that presented by my father.  Here is what Somerville says (PDF): [T]he need to drastically reduce global greenhouse gas emissions is urgent, and the urgency is scientific, not political. Mother Nature herself thus imposes a timescale on when emissions need to peak and then begin to decline rapidly. This urgency is therefore not ideological at all, but rather is due to the physics and biogeochemistry of the climate system itself. Diplomats and legislators, as well as heads of state worldwide, are powerless to alter the laws of nature and must face scientific facts and the hard evidence of scientific findings.
  • Contrast that with what my father says (PDF): Decisions about government regulation are ultimately legal, administrative, legislative, and political decisions. As such they can be informed by scientific considerations, but they are not determined by them. In my testimony, I seek to share my perspectives on the science of climate based on my work in this field over the past four decades.
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  • Doug said... 1 If legal, administrative, legislative, and political decisions that are allegedly based on science are not determined by the science than they are not based in science. They are scientifically unsubstantiated. I find this a very poor way to govern, rejecting science when it doesn't meet your political agenda.
  • True science is apolitical and non-ideological. Only the use of science is politicized.
  • I totally agree with you about the distinction between science and policy. I'm also fascinated by the concept of urgency. In the case of a developing disaster, "urgent" is logically a fairly short space on the time line. Before that, it's not yet urgent. After that, it's too late. Any analysis that does not acknowledge this basic logic is likely to strain credibility. And any uncertainty about future climate (and impacts) implies uncertainty about where on the time line the "urgent" window is or will be located. The uncertainty has to be small, or there is no way to know we're inside that short time period. And "maybe it's urgent" or "maybe it's too late" are not very persuasive arguments.
Weiye Loh

journalism.sg » Straits Times Forum editor accuses Chee of unfounded attack o... - 0 views

  • The Straits Times Forum editor Yap Koon Hong has told opposition politician Chee Soon Juan that he would be denied space in the Forum pages until he withdrew his “serious and unfounded aspersions” on the integrity of the newspaper. He was responding to previous reports on the SDP website which implied that The Straits Times had unfairly edited certain portions of Chee’s letters before publishing them.
  • Chee took issue with the fact that the title of his second letter had been changed to "PAP just as confrontational, replies Chee", which implied that he was indeed confrontational. In fact, newspapers rarely use the headlines suggested by writers and most readers know that headlines, together with picture selection and captions, are the work of sub-editors and not writers.
  • The SDP website shows that almost half of Chee's letter was deleted before publication. The original text was 635 words long. Forum page letters are generally less than 400 words long. The published version of Chee's letter was 348 words long.
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  • Chee also questioned Yap's claims that The Straits Times' integrity had been damaged by the SDP's articles, citing how the Singapore media was already ranked lowly in international press freedom rankings.
  • Yap wanted Chee to retract his statements about the integrity of The Straits Times, and that the newspaper would withhold publishing his letters in the forum pages until he did so.
Weiye Loh

The Greening of the American Brain - TIME - 0 views

  • The past few years have seen a marked decline in the percentage of Americans who believe what scientists say about climate, with belief among conservatives falling especially fast. It's true that the science community has hit some bumps — the IPCC was revealed to have made a few dumb errors in its recent assessment, and the "Climategate" hacked emails showed scientists behaving badly. But nothing changed the essential truth that more man-made CO2 means more warming; in fact, the basic scientific case has only gotten stronger. Yet still, much of the American public remains unconvinced — and importantly, last November that public returned control of the House of Representatives to a Republican party that is absolutely hostile to the basic truths of climate science.
  • facts and authority alone may not shift people's opinions on climate science or many other topics. That was the conclusion I took from the Climate, Mind and Behavior conference, a meeting of environmentalists, neuroscientists, psychologists and sociologists that I attended last week at the Garrison Institute in New York's Hudson Valley. We like to think of ourselves as rational creatures who select from the choices presented to us for maximum individual utility — indeed, that's the essential principle behind most modern economics. But when you do assume rationality, the politics of climate change get confusing. Why would so many supposedly rational human beings choose to ignore overwhelming scientific authority?
  • Maybe because we're not actually so rational after all, as research is increasingly showing. Emotions and values — not always fully conscious — play an enormous role in how we process information and make choices. We are beset by cognitive biases that throw what would be sound decision-making off-balance. Take loss aversion: psychologists have found that human beings tend to be more concerned about avoiding losses than achieving gains, holding onto what they have even when this is not in their best interests. That has a simple parallel to climate politics: environmentalists argue that the shift to a low-carbon economy will create abundant new green jobs, but for many people, that prospect of future gain — even if it comes with a safer planet — may not be worth the risk of losing the jobs and economy they have.
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  • What's the answer for environmentalists? Change the message and frame the issue in a way that doesn't trigger unconscious opposition among so many Americans. That can be a simple as using the right labels: a recent study by researchers at the University of Michigan found that Republicans are less skeptical of "climate change" than "global warming," possibly because climate change sounds less specific. Possibly too because so broad a term includes the severe snowfalls of the past winter that can be a paradoxical result of a generally warmer world. Greens should also pin their message on subjects that are less controversial, like public health or national security. Instead of issuing dire warnings about an apocalyptic future — which seems to make many Americans stop listening — better to talk about the present generation's responsibility to the future, to bequeath their children and grandchildren a safer and healthy planet.
  • Group identification also plays a major role in how we make decisions — and that's another way facts can get filtered. Declining belief in climate science has been, for the most part in America, a conservative phenomenon. On the surface, that's curious: you could expect Republicans to be skeptical of economic solutions to climate change like a carbon tax, since higher taxes tend to be a Democratic policy, but scientific information ought to be non-partisan. Politicians never debate the physics of space travel after all, even if they argue fiercely over the costs and priorities associated with it. That, however, is the power of group thinking; for most conservative Americans, the very idea of climate science has been poisoned by ideologues who seek to advance their economic arguments by denying scientific fact. No additional data — new findings about CO2 feedback loops or better modeling of ice sheet loss — is likely to change their mind.
  • The bright side of all this irrationality is that it means human beings can act in ways that sometimes go against their immediate utility, sacrificing their own interests for the benefit of the group.
  • Our brains develop socially, not just selfishly, which means sustainable behavior — and salvation for the planet — may not be as difficult as it sometimes seem. We can motivate people to help stop climate change — it may just not be climate science that convinces them to act.
Weiye Loh

SAY IT IN 17 WORDS: In Case You Missed It, Karin Calvo-Goller Explains it All for You - 0 views

  • IMPORTANT NOTE: There is one point in this case that was totally misunderstood by many of the international observers and that point needs to be underlined here:  in France, no one goes to prison for libel. [All that a defendant in a lawsuit in France risks, such as the one that Calvo-Goller brought against Joseph Weiler, is a fine, and even then, even if the court decides in the plantiff's favor, against the defendant, even then, the defendant is not considered a criminal under French law since libel is a misdemeanor and not a crime under French law.]
  • I could not ignore Mr. Weigend's review and particularly [the suggestion] that, in my book, I had simply restated the contents of existing legal texts.
  • Q. How do you respond to the suggestion made by some observers that bringing the complaint in France amounted to libel tourism or forum shopping? A. I disagree with my critics completely. ... The court ruling states that "for reasons of preference ... she considered that only French law offered her a chance of being successful." But there was no option since, under two Israel Supreme Court judgments, at the relevant time (July 2007) the Internet was not considered'"contrary to the printed media, for instance'"to constitute a means of publishing what is deemed to be a libelous text or expression. I spoke to an American lawyer earlier, and I was told that in an American court, I would have had to prove "malice," among other [things]. ...
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  • The freedom to hold opinions and to express opinions is a right expressly provided in international human-rights covenants. This includes the freedom to criticize other people's ideas and works. These freedoms are the basic premise for the transmission and exchange of knowledge among others. However, one of the very few restrictions to the exercise of these rights is the respect of the rights or reputation of others. An author, [like] any human being, is entitled to the respect of his reputation. The publication of works of course exposes an author to criticism, but it does not deprive him of the right to the respect of his reputation. Fair criticism does not automatically mean that rights of the authors were disregarded. ...
  • In my view, fair criticism of someone else's idea can initially be put on the Internet without the agreement of the author. If an author finds the criticism unfair or erroneous and informs the manager or editor of the site accordingly, the author should be entitled to respond and be granted the same space as was accorded to the criticism, and'"I want to emphasize'"not only in the form of a comment. Where the author considers the criticism to be libelous and harmful to his reputation, another mutually agreed-upon reviewer should be found and, whatever the outcome, it [the review] can be posted. But in the meantime, the criticism should be removed. Words can cause tremendous harm, and there are higher principles telling us not to do so.
Weiye Loh

Sunita Narain: Indian scientists: missing in action - 0 views

  • Since then there has been dead silence among the powerful scientific leaders of the country, with one exception. Kiran Karnik, a former employee of ISRO and board member of Deva
  • when the scientists who understand the issue are not prepared to engage with the public, there can be little informed discussion. The cynical public, which sees scams tumble out each day, believes easily that everybody is a crook. But, as I said, the country’s top scientists have withdrawn further into their comfort holes, their opinion frozen in contempt that Indian society is scientifically illiterate. I can assure you in the future there will be even less conversation between scientists and all of us in the public sphere.
  • This is not good. Science is about everyday policy. It needs to be understood and for this it needs to be discussed and deliberated openly and strenuously. But how will this happen if one side — the one with information, knowledge and power — will not engage in public discourse?
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  • I suspect Indian scientists have retired hurt to the pavilion. They were exposed to some nasty public scrutiny on a deal made by a premier science research establishment, Indian Space Research Organisation (ISRO), with Devas, a private company, on the allocation of spectrum. The public verdict was that the arrangement was a scandal; public resources had been given away for a song. The government, already scam-bruised, hastily scrapped the contract.
  • Take the issue of genetically-modified (GM) crops. For long this matter has been decided inside closed-door committee rooms, where scientists are comforted by the fact that their decisions will not be challenged. Their defence is “sound science” and “superior knowledge”. It is interesting that the same scientists will accept data produced by private companies pushing the product. Issues of conflict of interest will be brushed aside as integrity cannot be questioned behind closed doors. Silence is the best insurance. This is what happened inside a stuffy committee room, where scientists sat to give permission to Mahyco-Monsanto to grow genetically-modified brinjal.
  • This case involved a vegetable we all eat. This was a matter of science we had the right to know about and to decide upon. The issue made headlines. The reaction of the scientific fraternity was predictable and obnoxious. They resented the questions. They did not want a public debate.
  • As the controversy raged and more people got involved, the scientists ran for cover. They wanted none of this messy street fight. They were meant to advise prime ministers and the likes, not to answer simple questions of people. Finally, when environment minister Jairam Ramesh took the decision on the side of the ordinary vegetable eater, unconvinced by the validity of the scientific data to justify no-harm, scientists were missing in their public reactions. Instead, they whispered about lack of “sound science” in the decision inside committees.
  • The matter did not end there. The minister commissioned an inter-academy inquiry — six top scientific institutions looked into GM crops and Bt-brinjal — expecting a rigorous examination of the technical issues and data gaps. The report released by this committee was shoddy to say the least. It contained no references or attributions and not a single citation. It made sweeping statements and lifted passages from a government newsletter and even from global biotech industry. The report was thrashed. Scientists again withdrew into offended silence.
  • The final report of this apex-science group is marginally better in that it includes citations but it reeks of scientific arrogance cloaked in jargon. The committee did not find it fit to review the matter, which had reached public scrutiny. The report is only a cover for their established opinion about the ‘truth’ of Bt-brinjal. Science for them is certainly not a matter of enquiry, critique or even dissent.
  • the world has changed. No longer is this report meant only for top political and policy leaders, who would be overwhelmed by the weight of the matter, the language and the expert knowledge of the writer. The report will be subjected to public scrutiny. Its lack of rigour will be deliberated, its unquestioned assertion challenged.
  • This is the difference between the manufactured comfortable world of science behind closed doors and the noisy messy world outside. It is clear to me that Indian scientists need confidence to creatively engage in public concerns. The task to build scientific literacy will not happen without their engagement and their tolerance for dissent. The role of science in Indian democracy is being revisited with a new intensity. The only problem is that the key players are missing in action.
Weiye Loh

Hacker attacks threaten to dampen cloud computing's prospects | Reuters - 0 views

  • Security is a hot issue in the computing world. Hackers broke into Sony's networks and accessed the information of more than 1 million customers, the latest of several security breaches.The breaches were the latest attacks on high-profile firms, including defense contractor Lockheed Martin and Google, which pointed the blame at China.
  • Analysts and industry experts believe hardware-based security provides a higher level of protection than software with encryption added to data in the servers. Chipmakers are working to build more authentication into the silicon.
  • one of the problems cloud faces is that it is a fragmented market where many vendors provide different security solutions based on their own standards.Intel's rival ARM and Advanced Micro Devices are also in the process of embedding higher security in their chips and processors, but working with different partners.If there was an open standard to follow, it would help the industry to build a much secure cloud system, according to AMD.
Weiye Loh

Geeks at the Beach: 10 Summer Reads About Technology and Your Life - Technology - The C... - 0 views

  • we're so excited about checking e-mail and Facebook that we're neglecting face-to-face relationships, but that it's not too late to make some "corrections" to our high-tech habits. It's time to turn off the BlackBerry for a few minutes and set some ground rules for blending cyberspace with personal space.
  • examples such as Wikipedia and a ride-sharing Web site as proof that "the harnessing of our cognitive surplus allows people to behave in increasingly generous, public, and social ways."
  • the transformative potential of the Internet, as more people use their free time in active, collaborative projects rather than watching television.
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  • Mr. Vaidhyanathan, a professor of media studies and law at the University of Virginia and frequent contributor to The Chronicle Review, reminds readers that they aren't consumers of Google's offerings. Rather, their use of Google's services is the product it sells to advertisers. Both books look at the continuing evolution of the Google Books settlement as a key test of how far the company's reach could extend and a sign of how the perception of Google has changed from that of scrappy upstart with a clever motto, "Don't be evil," to global behemoth accused by some of being just that.
  • Is the Internet on its way to getting monopolized? That question underlies Tim Wu's The Master Switch. The eccentric Columbia Law School professor—he's known to dress up as a blue bear at the annual Burning Man festival—recounts how ruthless companies consolidated their power over earlier information industries like the telephone, radio, and film. So which tech giant seems likely to grab control of the net?
  • it feels like we're perpetually on the verge of a tipping point, when e-books will overtake print books as a source of revenue for publishers. John B. Thompson, a sociologist at the University of Cambridge, analyzes the inner workings of the contemporary trade-publishing industry. (He did the same for scholarly publishing in an earlier work, Books in the Digital Age.) Mr. Thompson examines the roles played by agents, editors, and authors as well as differences among small, medium, and large publishing operations, and he probes under the surface of the great digital shift. We're too hung up on the form of the book, he argues: "A revolution has taken place in publishing, but it is a revolution in the process rather than a revolution in the product."
  • technology is actually doing far more to bolster authoritarian regimes than to overturn them, writes Evgeny Morozov in this sharp reality check on the media-fueled notion that information is making everybody free. Mr. Morozov, a visiting scholar at Stanford University, points out that the Iranian government posted "most wanted" pictures of protesters on the Web, leading to several arrests. The Muslim Brotherhood blogs actively in Egypt. And China pays people to make pro-authority statements on the Internet, paying a few cents for each endorsement. The Twitter revolution, in this book, is "overblown and completely unsubstantiated rhetoric."
  • Internet is rewiring our brains and short-circuiting our ability to think. And that has big consequences for teaching, he told The Chronicle last year: "The assumption that the more media, the more messaging, the more social networking you can bring in will lead to better educational outcomes is not only dubious but in many cases is probably just wrong."
Weiye Loh

It's Even Less in Your Genes by Richard C. Lewontin | The New York Review of Books - 0 views

  • One of the complications is that the effective environment is defined by the life activities of the organism itself.
  • Thus, as organisms evolve, their environments necessarily evolve with them. Although classic Darwinism is framed by referring to organisms adapting to environments, the actual process of evolution involves the creation of new “ecological niches” as new life forms come into existence. Part of the ecological niche of an earthworm is the tunnel excavated by the worm and part of the ecological niche of a tree is the assemblage of fungi associated with the tree’s root system that provide it with nutrients.
  • , the distinction between organisms and their environments remains deeply embedded in our consciousness. Partly this is due to the inertia of educational institutions and materials
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  • But the problem is deeper than simply intellectual inertia. It goes back, ultimately, to the unconsidered differentiations we make—at every moment when we distinguish among objects—between those in the foreground of our consciousness and the background places in which the objects happen to be situated. Moreover, this distinction creates a hierarchy of objects. We are conscious not only of the skin that encloses and defines the object, but of bits and pieces of that object, each of which must have its own “skin.” That is the problem of anatomization. A car has a motor and brakes and a transmission and an outer body that, at appropriate moments, become separate objects of our consciousness, objects that at least some knowledgeable person recognizes as coherent entities.
  • Evelyn Fox Keller sees “The Mirage of a Space Between Nature and Nurture” as a consequence of our false division of the world into living objects without sufficient consideration of the external milieu in which they are embedded, since organisms help create effective environments through their own life activities.
  • The central point of her analysis has been that gender itself (as opposed to sex) is socially constructed, and that construction has influenced the development of science:If there is a single point on which all feminist scholarship…has converged, it is the importance of recognizing the social construction of gender…. All of my work on gender and science proceeds from this basic recognition. My endeavor has been to call attention to the ways in which the social construction of a binary opposition between “masculine” and “feminine” has influenced the social construction of science.
  • major critical concern of Fox Keller’s present book is the widespread attempt to partition in some quantitative way the contribution made to human variation by differences in biological inheritance, that is, differences in genes, as opposed to differences in life experience. She wants to make clear a distinction between analyzing the relative strength of the causes of variation among individuals and groups, an analysis that is coherent in principle, and simply assigning the relative contributions of biological and environmental causes to the value of some character in an individual
  • It is, for example, all very well to say that genetic variation is responsible for 76 percent of the observed variation in adult height among American women while the remaining 24 percent is a consequence of differences in nutrition. The implication is that if all variation in nutrition were abolished then 24 percent of the observed height variation among individuals in the population in the next generation would disappear. To say, however, that 76 percent of Evelyn Fox Keller’s height was caused by her genes and 24 percent by her nutrition does not make sense. The nonsensical implication of trying to partition the causes of her individual height would be that if she never ate anything she would still be three quarters as tall as she is.
  • In fact, Keller is too optimistic about the assignment of causes of variation even when considering variation in a population. As she herself notes parenthetically, the assignment of relative proportions of population variation to different causes in a population depends on there being no specific interaction between the causes.
  • Keller’s rather casual treatment of the interaction between causal factors in the case of the drummers, despite her very great sophistication in analyzing the meaning of variation, is a symptom of a fault that is deeply embedded in the analytic training and thinking of both natural and social scientists. If there are several variable factors influencing some phenomenon, how are we to assign the relative importance to each in determining total variation? Let us take an extreme example. Suppose that we plant seeds of each of two different varieties of corn in two different locations with the following results measured in bushels of corn produced (see Table 1). There are differences between the varieties in their yield from location to location and there are differences between locations from variety to variety. So, both variety and location matter. But there is no average variation between locations when averaged over varieties or between varieties when averaged over locations. Just by knowing the variation in yield associated with location and variety separately does not tell us which factor is the more important source of variation; nor do the facts of location and variety exhaust the description of that variation.
  •  
    In trying to analyze the natural world, scientists are seldom aware of the degree to which their ideas are influenced both by their way of perceiving the everyday world and by the constraints that our cognitive development puts on our formulations. At every moment of perception of the world around us, we isolate objects as discrete entities with clear boundaries while we relegate the rest to a background in which the objects exist.
Meenatchi

US Navy creates command to maintain cyber supremacy - 3 views

Article Summary: http://news.yahoo.com/s/afp/20091002/pl_afp/usitmilitaryintelligencesecurityinternet_20091002130920 The article talks about the US Navy's announcement about it consolidating inte...

rights democracy Ethics surveillance

started by Meenatchi on 16 Oct 09 no follow-up yet
Weiye Loh

He had 500 offensive photos in his phone - 0 views

  • A man was caught with more than 500 offensive photos in his mobile phone. This happened after a woman complained against him taking a picture of her chest at a shopping centre.
  • "My husband and I were shocked when we were shown the data because there were more than 500 pictures of various women that this man took. All the pictures were of their chests and breasts. From the angle of the shots, I could see that the women in these pictures were not aware that they were victims."
  • According to the law, anyone who takes offensive photos of a woman in a public place without the lady's prior consent can be charged for outrage of modesty. If found guilty, the persons involved faces a fine, up to a year in jail or both.
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  • PLEASE! if the pictures taken are "offensive", then the "victims" in the pictures should be charged for INDECENT EXPOSURE! Where is the logic that a picture of a sexy girl is offensive but the same sexy girl walking in public is not offensive?IS IT UPSKIRT? NO! if i take a 18megapix wide lens camera and take the picture of a crowd, then crop out a sexy girl in the picture taken.. is that offensive? whats the diff? it is a publicly taken picture without anyone's consent!!!! IF PEOPLE DRESS SEXILY, THEY MUST BE EXPECTED TO BE OGGLED AND STARED AT!!
    • Weiye Loh
       
      This is a comment by a reader on the news website. I think the issue of privacy here is interesting because technically speaking the 'victims' are in the public. But one can also argue that even though they are in the public, they make no consent to have their photos taken, although consent to be viewed by the public is somehow implied since they willingly step out of their private space. Given that the photos are shots that are aimed at the chests and breasts of women (note that they are not up-skirt or down-blouse shots i.e. no clear legal infringement of peeping), is it wrong for the man to take the photos? The issue of objectification also comes in here since the 'victims' are being objectified based on a certain bodily part/ feature. Is this objectification the 'reason' for victimization? If the women were taken as a whole in the photos, will it still be considered wrong? Personally, I feel that this falls into the grey areas rather than the usual black and white situations (although one can argue that even black and white can be considered shades of grey). I have no answers, but it's still food for thoughts.
Weiye Loh

Skepticblog » Global Warming Skeptic Changes His Tune - by Doing the Science ... - 0 views

  • To the global warming deniers, Muller had been an important scientific figure with good credentials who had expressed doubt about the temperature data used to track the last few decades of global warming. Muller was influenced by Anthony Watts, a former TV weatherman (not a trained climate scientist) and blogger who has argued that the data set is mostly from large cities, where the “urban heat island” effect might bias the overall pool of worldwide temperature data. Climate scientists have pointed out that they have accounted for this possible effect already, but Watts and Muller were unconvinced. With $150,000 (25% of their funding) from the Koch brothers (the nation’s largest supporters of climate denial research), as well as the Getty Foundation (their wealth largely based on oil money) and other funding sources, Muller set out to reanalyze all the temperature data by setting up the Berkeley Earth Surface Temperature Project.
  • Although only 2% of the data were analyzed by last month, the Republican climate deniers in Congress called him to testify in their March 31 hearing to attack global warming science, expecting him to give them scientific data supporting their biases. To their dismay, Muller behaved like a real scientist and not an ideologue—he followed his data and told them the truth, not what they wanted to hear. Muller pointed out that his analysis of the data set almost exactly tracked what the National Oceanographic and Atmospheric Administration (NOAA), the Goddard Institute of Space Science (GISS), and the Hadley Climate Research Unit at the University of East Anglia in the UK had already published (see figure).
  • Muller testified before the House Committee that: The Berkeley Earth Surface Temperature project was created to make the best possible estimate of global temperature change using as complete a record of measurements as possible and by applying novel methods for the estimation and elimination of systematic biases. We see a global warming trend that is very similar to that previously reported by the other groups. The world temperature data has sufficient integrity to be used to determine global temperature trends. Despite potential biases in the data, methods of analysis can be used to reduce bias effects well enough to enable us to measure long-term Earth temperature changes. Data integrity is adequate. Based on our initial work at Berkeley Earth, I believe that some of the most worrisome biases are less of a problem than I had previously thought.
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  • The right-wing ideologues were sorely disappointed, and reacted viciously in the political sphere by attacking their own scientist, but Muller’s scientific integrity overcame any biases he might have harbored at the beginning. He “called ‘em as he saw ‘em” and told truth to power.
  • it speaks well of the scientific process when a prominent skeptic like Muller does his job properly and admits that his original biases were wrong. As reported in the Los Angeles Times : Ken Caldeira, an atmospheric scientist at the Carnegie Institution for Science, which contributed some funding to the Berkeley effort, said Muller’s statement to Congress was “honorable” in recognizing that “previous temperature reconstructions basically got it right…. Willingness to revise views in the face of empirical data is the hallmark of the good scientific process.”
  • This is the essence of the scientific method at its best. There may be biases in our perceptions, and we may want to find data that fits our preconceptions about the world, but if science is done properly, we get a real answer, often one we did not expect or didn’t want to hear. That’s the true test of when science is giving us a reality check: when it tells us “an inconvenient truth”, something we do not like, but is inescapable if one follows the scientific method and analyzes the data honestly.
  • Sit down before fact as a little child, be prepared to give up every preconceived notion, follow humbly wherever and to whatever abysses nature leads, or you shall learn nothing.
Weiye Loh

Rationally Speaking: Evolution as pseudoscience? - 0 views

  • I have been intrigued by an essay by my colleague Michael Ruse, entitled “Evolution and the idea of social progress,” published in a collection that I am reviewing, Biology and Ideology from Descartes to Dawkins (gotta love the title!), edited by Denis Alexander and Ronald Numbers.
  • Ruse's essay in the Alexander-Numbers collection questions the received story about the early evolution of evolutionary theory, which sees the stuff that immediately preceded Darwin — from Lamarck to Erasmus Darwin — as protoscience, the immature version of the full fledged science that biology became after Chuck's publication of the Origin of Species. Instead, Ruse thinks that pre-Darwinian evolutionists really engaged in pseudoscience, and that it took a very conscious and precise effort on Darwin’s part to sweep away all the garbage and establish a discipline with empirical and theoretical content analogous to that of the chemistry and physics of the time.
  • Ruse’s somewhat surprising yet intriguing claim is that “before Charles Darwin, evolution was an epiphenomenon of the ideology of [social] progress, a pseudoscience and seen as such. Liked by some for that very reason, despised by others for that very reason.”
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  • Ruse asserts that many serious intellectuals of the late 18th and early 19th century actually thought of evolution as pseudoscience, and he is careful to point out that the term “pseudoscience” had been used at least since 1843 (by the physiologist Francois Magendie)
  • Indeed, the link between evolution and the idea of human social-cultural progress was very strong before Darwin, and was one of the main things Darwin got rid of.
  • The encyclopedist Denis Diderot was typical in this respect: “The Tahitian is at a primary stage in the development of the world, the European is at its old age. The interval separating us is greater than that between the new-born child and the decrepit old man.” Similar nonsensical views can be found in Lamarck, Erasmus, and Chambers, the anonymous author of The Vestiges of the Natural History of Creation, usually considered the last protoscientific book on evolution to precede the Origin.
  • On the other side of the divide were social conservatives like the great anatomist George Cuvier, who rejected the idea of evolution — according to Ruse — not as much on scientific grounds as on political and ideological ones. Indeed, books like Erasmus’ Zoonomia and Chambers’ Vestiges were simply not much better than pseudoscientific treatises on, say, alchemy before the advent of modern chemistry.
  • people were well aware of this sorry situation, so much so that astronomer John Herschel referred to the question of the history of life as “the mystery of mysteries,” a phrase consciously adopted by Darwin in the Origin. Darwin set out to solve that mystery under the influence of three great thinkers: Newton, the above mentioned Herschel, and the philosopher William Whewell (whom Darwin knew and assiduously frequented in his youth)
  • Darwin was a graduate of the University of Cambridge, which had also been Newton’s home. Chuck got drilled early on during his Cambridge education with the idea that good science is about finding mechanisms (vera causa), something like the idea of gravitational attraction underpinning Newtonian mechanics. He reflected that all the talk of evolution up to then — including his grandfather’s — was empty, without a mechanism that could turn the idea into a scientific research program.
  • The second important influence was Herschel’s Preliminary Discourse on the Study of Natural Philosophy, published in 1831 and read by Darwin shortly thereafter, in which Herschel sets out to give his own take on what today we would call the demarcation problem, i.e. what methodology is distinctive of good science. One of Herschel’s points was to stress the usefulness of analogical reasoning
  • Finally, and perhaps most crucially, Darwin also read (twice!) Whewell’s History of the Inductive Sciences, which appeared in 1837. In it, Whewell sets out his notion that good scientific inductive reasoning proceeds by a consilience of ideas, a situation in which multiple independent lines of evidence point to the same conclusion.
  • the first part of the Origin, where Darwin introduces the concept of natural selection by way of analogy with artificial selection can be read as the result of Herschel’s influence (natural selection is the vera causa of evolution)
  • the second part of the book, constituting Darwin's famous “long argument,” applies Whewell’s method of consilience by bringing in evidence from a number of disparate fields, from embryology to paleontology to biogeography.
  • What, then, happened to the strict coupling of the ideas of social and biological progress that had preceded Darwin? While he still believed in the former, the latter was no longer an integral part of evolution, because natural selection makes things “better” only in a relative fashion. There is no meaningful sense in which, say, a large brain is better than very fast legs or sharp claws, as long as you still manage to have dinner and avoid being dinner by the end of the day (or, more precisely, by the time you reproduce).
  • Ruse’s claim that evolution transitioned not from protoscience to science, but from pseudoscience, makes sense to me given the historical and philosophical developments. It wasn’t the first time either. Just think about the already mentioned shift from alchemy to chemistry
  • Of course, the distinction between pseudoscience and protoscience is itself fuzzy, but we do have what I think are clear examples of the latter that cannot reasonably be confused with the former, SETI for one, and arguably Ptolemaic astronomy. We also have pretty obvious instances of pseudoscience (the usual suspects: astrology, ufology, etc.), so the distinction — as long as it is not stretched beyond usefulness — is interesting and defensible.
  • It is amusing to speculate which, if any, of the modern pseudosciences (cryonics, singularitarianism) might turn out to be able to transition in one form or another to actual sciences. To do so, they may need to find their philosophically and scientifically savvy Darwin, and a likely bet — if history teaches us anything — is that, should they succeed in this transition, their mature form will look as different from the original as chemistry and alchemy. Or as Darwinism and pre-Darwinian evolutionism.
  • Darwin called the Origin "one long argument," but I really do think that recognizing that the book contains (at least) two arguments could help to dispel that whole "just a theory" canard. The first half of the book is devoted to demonstrating that natural selection is the true cause of evolution; vera causa arguments require proof that the cause's effect be demonstrated as fact, so the second half of the book is devoted to a demonstration that evolution has really happened. In other words, evolution is a demonstrable fact and natural selection is the theory that explains that fact, just as the motion of the planets is a fact and gravity is a theory that explains it.
  • Cryogenics is the study of the production of low temperatures and the behavior of materials at those temperatures. It is a legitimate branch of physics and has been for a long time. I think you meant 'cryonics'.
  • The Singularity means different things to different people. It is uncharitable to dismiss all "singularitarians" by debunking Kurzweil. He is low hanging fruit. Reach for something higher.
  •  
    "before Charles Darwin, evolution was an epiphenomenon of the ideology of [social] progress, a pseudoscience and seen as such. Liked by some for that very reason, despised by others for that very reason."
Weiye Loh

BioCentre - 0 views

  • Humanity’s End. The main premise of the book is that proposals that would supposedly promise to make us smarter like never before or add thousands of years to our live seem rather far fetched and the domain of mere fantasy. However, it is these very proposals which form the basis of many of the ideas and thoughts presented by advocates of radical enhancement and which are beginning to move from the sidelines to the centre of main stream discussion. A variety of technologies and therapies are being presented to us as options to expand our capabilities and capacities in order for us to become something other than human.
  • Agar takes issue with this and argues against radical human enhancement. He structures his analysis and discussion by focusing on four key figures and their proposals which help to form the core of the case for radical enhancement debate.  First to be examined by Agar is Ray Kurzweil who argues that Man and Machine will become one as technology allows us to transcend our biology. Second, is Aubrey de Grey who is a passionate advocate and pioneer of anti-ageing therapies which allow us to achieve “longevity escape velocity”. Next is Nick Bostrom, a leading transhumanist who defends the morality and rationality of enhancement and finally James Hughes who is a keen advocate of a harmonious democracy of the enhanced and un-enhanced.
  • He avoids falling into any of the pitfalls of basing his argument solely upon the “playing God” question but instead seeks to posit a well founded argument in favour of the precautionary principle.
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  • Agar directly tackles Hughes’ ideas of a “democratic transhumanism.” Here as post-humans and humans live shoulder to shoulder in wonderful harmony, all persons have access to the technologies they want in order to promote their own flourishing.  Under girding all of this is the belief that no human should feel pressurised to become enhance. Agar finds no comfort with this and instead can foresee a situation where it would be very difficult for humans to ‘choose’ to remain human.  The pressure to radically enhance would be considerable given the fact that the radically enhanced would no doubt be occupying the positions of power in society and would consider the moral obligation to utilise to the full enhancement techniques as being a moral imperative for the good of society.  For those who were able to withstand then a new underclass would no doubt emerge between the enhanced and the un-enhanced. This is precisely the kind of society which Hughes appears to be overly optimistic will not emerge but which is more akin to Lee Silver’s prediction of the future with the distinction made between the "GenRich" and the "naturals”.  This being the case, the author proposes that we have two options: radical enhancement is either enforced across the board or banned outright. It is the latter option which Agar favours but crucially does not elaborate further on so it is unclear as to how he would attempt such a ban given the complexity of the issue. This is disappointing as any general initial reflections which the author felt able to offer would have added to the discussion and added further strength to his line of argument.
  • A Transhuman Manifesto The final focus for Agar is James Hughes, who published his transhumanist manifesto Citizen Cyborg in 2004. Given the direct connection with politics and public policy this for me was a particularly interesting read. The basic premise to Hughes argument is that once humans and post humans recognise each other as citizens then this will mark the point at which they will be able to get along with each other.
  • Agar takes to task the argument Bostrom made with Toby Ord, concerning claims against enhancement. Bostrom and Ord argue that it boils down to a preference for the status quo; current human intellects and life spans are preferred and deemed best because they are what we have now and what we are familiar with (p. 134).  Agar discusses the fact that in his view, Bostrom falls into a focalism – focusing on and magnifying the positives whilst ignoring the negative implications.  Moreover, Agar goes onto develop and reiterate his earlier point that the sort of radical enhancements Bostrom et al enthusiastically support and promote take us beyond what is human so they are no longer human. It therefore cannot be said to be human enhancement given the fact that the traits or capacities that such enhancement afford us would be in many respects superior to ours, but they would not be ours.
  • With his law of accelerating returns and talk of the Singularity Ray Kurzweil proposes that we are speeding towards a time when our outdated systems of neurons and synapses will be traded for far more efficient electronic circuits, allowing us to become artificially super-intelligent and transferring our minds from brains into machines.
  • Having laid out the main ideas and thinking behind Kurzweil’s proposals, Agar makes the perceptive comment that despite the apparent appeal of greater processing power it would nevertheless be no longer human. Introducing chips to the human body and linking into the human nervous system to computers as per Ray Kurzweil’s proposals will prove interesting but it goes beyond merely creating a copy of us in order to that future replication and uploading can take place. Rather it will constitute something more akin to an upgrade. Electrochemical signals that the brain use to achieve thought travel at 100 metres per second. This is impressive but contrast this with the electrical signals in a computer which travel at 300 million metres per second then the distinction is clear. If the predictions are true how will such radically enhanced and empowered beings live not only the unenhanced but also what will there quality of life really be? In response, Agar favours something what he calls “rational biological conservatism” (pg. 57) where we set limits on how intelligent we can become in light of the fact that it will never be rational to us for human beings to completely upload their minds onto computers.
  • Agar then proceeds to argue that in the pursuit of Kurzweil enhanced capacities and capabilities we might accidentally undermine capacities of equal value. This line of argument would find much sympathy from those who consider human organisms in “ecological” terms, representing a profound interconnectedness which when interfered with presents a series of unknown and unexpected consequences. In other words, our specifies-specific form of intelligence may well be linked to species-specific form of desire. Thus, if we start building upon and enhancing our capacity to protect and promote deeply held convictions and beliefs then due to the interconnectedness, it may well affect and remove our desire to perform such activities (page 70). Agar’s subsequent discussion and reference to the work of Jerry Foder, philosopher and cognitive scientist is particularly helpful in terms of the functioning of the mind by modules and the implications of human-friendly AI verses human-unfriendly AI.
  • In terms of the author’s discussion of Aubrey de Grey, what is refreshing to read from the outset is the author’s clear grasp of Aubrey’s ideas and motivation. Some make the mistake of thinking he is the man who wants to live forever, when in actual fact this is not the case.  De Grey wants to reverse the ageing process - Strategies for Engineered Negligible Senescence (SENS) so that people are living longer and healthier lives. Establishing this clear distinction affords the author the opportunity to offer more grounded critiques of de Grey’s than some of his other critics. The author makes plain that de Grey’s immediate goal is to achieve longevity escape velocity (LEV), where anti-ageing therapies add years to life expectancy faster than age consumes them.
  • In weighing up the benefits of living significantly longer lives, Agar posits a compelling argument that I had not fully seen before. In terms of risk, those radically enhanced to live longer may actually be the most risk adverse and fearful people to live. Taking the example of driving a car, a forty year-old senescing human being who gets into their car to drive to work and is involved in a fatal accident “stands to lose, at most, a few healthy, youthful years and a slightly larger number of years with reduced quality” (p.116). In stark contrast should a negligibly senescent being who drives a car and is involved in an accident resulting in their death, stands to lose on average one thousand, healthy, youthful years (p.116).  
  • De Grey’s response to this seems a little flippant; with the end of ageing comes an increased sense of risk-aversion so the desire for risky activity such as driving will no longer be prevalent. Moreover, plus because we are living for longer we will not be in such a hurry to get to places!  Virtual reality comes into its own at this point as a means by which the negligibly senescent being ‘adrenaline junkie’ can be engaged with activities but without the associated risks. But surely the risk is part of the reason why they would want to engage in snow boarding, bungee jumping et al in the first place. De Grey’s strategy seemingly fails to appreciate the extent to which human beings want “direct” contact with the “real” world.
  • Continuing this idea further though, Agar’s subsequent discussion of the role of fire-fighters is an interesting one.  A negligibly senescent fire fighter may stand to loose more when they are trapped in a burning inferno but being negligibly senescent means that they are better fire-fighters by virtue of increase vitality. Having recently heard de Grey speak and had the privilege of discussing his ideas further with him, Agar’s discussion of De Grey were a particular highlight of the book and made for an engaging discussion. Whilst expressing concern and doubt in relation to De Grey’s ideas, Agar is nevertheless quick and gracious enough to acknowledge that if such therapies could be achieved then De Grey is probably the best person to comment on and achieve such therapies given the depth of knowledge and understanding that he has built up in this area.
Weiye Loh

Android phones record user-locations according to research | Technology | The Guardian - 0 views

  • The discovery that Android devices - which are quickly becoming the best-selling products in the smartphone space - also collect location data indicates how essential such information has become to their effective operation. "Location services", which can help place a user on a map, are increasingly seen as important for providing enhanced services including advertising - which forms the basis of Google's business.
  • Smartphones running Google's Android software collect data about the user's movements in almost exactly the same way as the iPhone, according to an examination of files they contain. The discovery, made by a Swedish researcher, comes as the Democratic senator Al Franken has written to Apple's chief executive Steve Jobs demanding to know why iPhones keep a secret file recording the location of their users as they move around, as the Guardian revealed this week.
  • Magnus Eriksson, a Swedish programmer, has shown that Android phones – now the bestselling smartphones – do the same, though for a shorter period. According to files discovered by Android devices keep a record of the locations and unique IDs of the last 50 mobile masts that it has communicated with, and the last 200 Wi-Fi networks that it has "seen". These are overwritten, oldest first, when the relevant list is full. It is not yet known whether the lists are sent to Google. That differs from Apple, where the data is stored for up to a year.
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  • In addition, the file is not easily accessible to users: it requires some computer skills to extract the data. By contrast, the Apple file is easily extracted directly from the computer or phone.
  • Senator Franken has asked Jobs to explain the purpose and extent of the iPhone's tracking. "The existence of this information - stored in an unencrypted format - raises serious privacy concerns," Franken writes in his letter to Jobs. "Anyone who gains access to this single file could likely determine the location of a user's home, the businesses he frequents, the doctors he visits, the schools his children attend, and the trips he has taken - over the past months or even a year."
  • Franken points out that a stolen or lost iPhone or iPad could be used to map out its owner's precise movements "for months at a time" and that it is not limited by age, meaning that it could track the movements of users who are under 13
  • security researcher, Alex Levinson, says that he discovered the file inside the iPhone last year, and that it has been used in the US by the police in a number of cases. He says that its purpose is simply to help the phone determine its location, and that he has seen no evidence that it is sent back to Apple. However documents lodged by Apple with the US Congress suggest that it does use the data if the user agrees to give the company "diagnostic information" from their iPhone or iPad.
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