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Javier E

A New Dark Age Looms - The New York Times - 0 views

  • picture yourself in our grandchildren’s time, a century hence. Significant global warming has occurred, as scientists predicted. Nature’s longstanding, repeatable patterns — relied on for millenniums by humanity to plan everything from infrastructure to agriculture — are no longer so reliable. Cycles that have been largely unwavering during modern human history are disrupted by substantial changes in temperature and precipitation.
  • As Earth’s warming stabilizes, new patterns begin to appear. At first, they are confusing and hard to identify. Scientists note similarities to Earth’s emergence from the last ice age. These new patterns need many years — sometimes decades or more — to reveal themselves fully, even when monitored with our sophisticated observing systems
  • Disruptive societal impacts will be widespread.
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  • Our foundation of Earth knowledge, largely derived from historically observed patterns, has been central to society’s progress. Early cultures kept track of nature’s ebb and flow, passing improved knowledge about hunting and agriculture to each new generation. Science has accelerated this learning process through advanced observation methods and pattern discovery techniques. These allow us to anticipate the future with a consistency unimaginable to our ancestors.
  • But as Earth warms, our historical understanding will turn obsolete faster than we can replace it with new knowledge. Some patterns will change significantly; others will be largely unaffected
  • The list of possible disruptions is long and alarming.
  • Historians of the next century will grasp the importance of this decline in our ability to predict the future. They may mark the coming decades of this century as the period during which humanity, despite rapid technological and scientific advances, achieved “peak knowledge” about the planet it occupies
  • One exception to this pattern-based knowledge is the weather, whose underlying physics governs how the atmosphere moves and adjusts. Because we understand the physics, we can replicate the atmosphere with computer models.
  • But farmers need to think a season or more ahead. So do infrastructure planners as they design new energy and water systems
  • The intermediate time period is our big challenge. Without substantial scientific breakthroughs, we will remain reliant on pattern-based methods for time periods between a month and a decade. The problem is, as the planet warms, these patterns will become increasingly difficult to discern.
  • The oceans, which play a major role in global weather patterns, will also see substantial changes as global temperatures rise. Ocean currents and circulation patterns evolve on time scales of decades and longer, and fisheries change in response. We lack reliable, physics-based models to tell us how this occurs.
  • Our grandchildren could grow up knowing less about the planet than we do today. This is not a legacy we want to leave them. Yet we are on the verge of ensuring this happens.
Javier E

Conservative Anti-Trump publications become Anti-Anti-Trump - The Atlantic - 0 views

  • one can divide the reaction among conservative commentators into three categories.
  • At one extreme sit those conservatives who championed Trump during the campaign, and still do: Breitbart, Sean Hannity, Laura Ingraham, Ann Coulter, among others. Their base is talk radio. They pride themselves on speaking for those plainspoken, dirt-under-the-fingernails conservatives who loathe not only Hillary Clinton, but Paul Ryan.
  • Their ideological forefathers are Joseph McCarthy, George Wallace and Pat Buchanan, who claimed that America’s cosmopolitan, deracinated ruling elite had betrayed the white Christians to whom the country truly belonged.
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  • At the other extreme sit conservatives like my Atlantic colleague David Frum, Johns Hopkins School of Advanced and International Studies Professor Eliot Cohen, and New York Times columnist David Brooks, who warned against Trump during the campaign, and believe he is now vindicating their fears.
  • For them, conservatism is about prudence, inherited wisdom, and a government that first does no harm; they see none of those virtues in Trump. They see themselves as the inheritors of a rich conservative intellectual tradition; Trump’s ignorance embarrasses them.
  • they believe America should stand for ideals that transcend race, religion and geography; they fear white Christian identity politics in their bones
  • In between are the conservatives who will tip the balance. Unlike Breitbart and company, they generally opposed Trump during the campaign. Unlike Brooks and company, they serve a conservative audience that now overwhelmingly backs him.
  • they work for conservative publications and networks. Their business model is opposing the left. And that means opposing the people who oppose Trump."
  • National Review is the most illustrative. During the campaign, it called Trump “a menace to American conservatism who would take the work of generations and trample it underfoot in behalf of a populism as heedless and crude as the Donald himself.”
  • Step number one: Accuse Trump’s opponents of hyperbole.
  • But now Trump is a Republican president, popular with most conservatives, and under liberal attack. So National Review has developed a technique that could be called anti-anti-Trump. It goes like this.
  • Step number two: Briefly acknowledge Trump’s flaws while insisting they’re being massively exaggerated.
  • The problem with these formulations should be clear. Some liberal criticism of Trump may indeed be melodramatic. But liberals don’t wield much power in Washington right now. Conservatives do. The key question facing National Review, therefore, is not whether Trump’s actions are as bad as the most extreme lefties say they are. The key question is whether Trump’s actions warrant conservative opposition.
  • In this way, National Review minimizes Trump’s misdeeds without appearing to defend them.
  • Among National Review’s favorite phrases these days is “Trump Derangement Syndrome.” It refers to Democrats who describe Trump as mentally unstable, a pathological liar or a would-be dictator
  • But National Review once described Trump in those terms itself. A year ago, in its issue entitled, “Against Trump,” the magazine called him a “huckster” whose populism contained “strong-man overtones.”
  • Its contributors declared him a “charlatan,” a “con man,” someone exhibiting “emotional immaturity bordering on personality disorder” and an “American Mussolini.”
  • Where exactly does National Review see the evidence of emotional, intellectual and moral growth?
  • It’s not deranged to worry that Trump may undermine liberal democracy. It’s deranged to think that leftist hyperbole constitutes the greater threat. Unfortunately, that form of Trump Derangement Syndrome is alive and well at National Review.
  • It is inconvenient for National Review that the individual in government who now most threatens the principles it holds dear is not a liberal, but a president that most conservatives support. But evading that reality doesn’t make it any less true.
Javier E

The rise of online education - The Washington Post - 0 views

  • fifth, sixth and seventh graders learn online for a significant portion of their in-class math periods at the path and pace that fit their individual needs. Meanwhile, teachers will coach the students to keep up with their math goals and help them apply the math concepts in small-group and class-wide projects.
  • Researchers at Carnegie Mellon University are working to improve cognitive tutor software that utilizes the most cutting-edge cognitive science and neuroscience to improve learning for individual students
  • entrepreneurs are creating educational video games and embedding gaming techniques inside online learning experiences to boost student motivation and make learning fu
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  • Focusing on outcomes, on the other hand, encourages continuous improvement against a set of overall goals
  • move beyond the old input-based metrics used to micro-manage how people in the existing public-education system work and instead embrace outcomes-based regulations that reward individual student learning gains and liberate educators on the ground to figure out the best way to achieve those gain
  • the public education system will be transformed into a student-centric one
  • move beyond today’s time-based rules—those policies, regulations and arrangements that hold time as a constant and learning as the variable, which inhibits the ability to move to a competency-based learning system
Javier E

The Jig Is Up: Time to Get Past Facebook and Invent a New Future - Alexis Madrigal - Te... - 0 views

  • have we run out of things to say and write that actually are about technology and the companies behind them? Or do we feel compelled to fill the white space between what matters? Sort of like talk radio?
  • There have been three big innovation narratives in the last few years that complicate, but don't invalidate, my thesis. The first -- The Rise of the Cloud -- was essentially a rebranding of having data on the Internet, which is, well ... what the Internet has always been about. Though I think it has made the lives of some IT managers easier and I do like Rdio. The second, Big Data, has lots of potential applications. But, as Tim Berners-Lee noted today, the people benefiting from more sophisticated machine learning techniques are the people buying consumer data, not the consumers themselves. How many Big Data startups might help people see their lives in different ways? Perhaps the personal genomics companies, but so far, they've kept their efforts focused quite narrowly. And third, we have the daily deal phenomenon. Groupon and its 600 clones may or may not be good companies, but they are barely technology companies. Really, they look like retail sales operations with tons of sales people and marketing expenses.
  • we've reached a point in this technology cycle where the old thing has run its course. I think the hardware, cellular bandwidth, and the business model of this tottering tower of technology are pushing companies to play on one small corner of a huge field.
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  • We've maxed out our hardware. No one even tries to buy the fastest computer anymore because we don't give them any tasks (except video editing, I suppose) that require that level of horsepower
  • Some of it, sure, is that we're dumping the computation on the servers on the Internet. But the other part is that we mostly do a lot of the things that we used to do years ago -- stare at web pages, write documents, upload photos -- just at higher resolutions.
  • On the mobile side, we're working with almost the exact same toolset that we had on the 2007 iPhone, i.e. audio inputs, audio outputs, a camera, a GPS, an accelerometer, Bluetooth, and a touchscreen. That's the palette that everyone has been working with -- and I hate to say it, but we're at the end of the line.
  • despite the efforts of telecom carriers, cellular bandwidth remains limited, especially in the hotbeds of innovation that need it most
  • more than the bandwidth or the stagnant hardware, I think the blame should fall squarely on the shoulders of the business model. The dominant idea has been to gather users and get them to pour their friends, photos, writing, information, clicks, and locations into your app. Then you sell them stuff (Amazon.com, One King's Lane) or you take that data and sell it in one way or another to someone who will sell them stuff (everyone). I return to Jeff Hammerbacher's awesome line about developers these days: "The best minds of my generation are thinking about how to make people click ads." 
  • The thing about the advertising model is that it gets people thinking small, lean.
Javier E

Who Arrived in the Americas First? - NYTimes.com - 0 views

  • The first evidence to raise significant questions about the Clovis model emerged in the late 1970s, when the anthropologist Tom Dillehay came across a prehistoric campsite in southern Chile called Monte Verde. Radiocarbon dating of the site suggested that the first campfires were lighted there, all the way at the southern tip of South America, well before the first Clovis tools were made
  • Professor Waters announced finding dozens of stone tools along a Texas creekbed. After using a technique that measures the last time the dirt around the stones was exposed to light, Professor Waters concluded, in a paper in Science, that the site was at least 15,000 years old — which would make it the earliest reliably dated site in the Americas.
  • Having compared the DNA of modern American Indians with that of groups living in Asia today, scholars have estimated that the last common ancestor of the two peoples probably lived between 16,000 and 20,000 years ago. That figure doesn’t square with the arrival of the Clovis people from Asia only 13,500 years ago.
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  • We now know people were in the Americas earlier than 14,000 years ago. But how much earlier, and how did they get to a continent sealed off by thick sheets of ice?
  • Working theories vary. Some scholars hypothesize that people migrated from Asia down the west coast of North America in boats. Others suggest variations on the overland route. One theory even argues that some early Americans might have come by boat from Europe via the North Atlantic, despite the fact that the DNA of modern American Indians does not suggest European origins. After 80 years under Clovis’s spell, scholars are once again venturing into unknown territory — and no one is ready to rule anything out yet.
Javier E

Obama Ordered Wave of Cyberattacks Against Iran - NYTimes.com - 0 views

  • It appears to be the first time the United States has repeatedly used cyberweapons to cripple another country’s infrastructure, achieving, with computer code, what until then could be accomplished only by bombing a country or sending in agents to plant explosives.
  • If Olympic Games failed, he told aides, there would be no time for sanctions and diplomacy with Iran to work. Israel could carry out a conventional military attack, prompting a conflict that could spread throughout the region.
  • Iran’s president, Mahmoud Ahmadinejad, took reporters on a tour of the plant and described grand ambitions to install upward of 50,000 centrifuges. For a country with only one nuclear power reactor — whose fuel comes from Russia — to say that it needed fuel for its civilian nuclear program seemed dubious to Bush administration officials.
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  • Hawks in the Bush administration like Vice President Dick Cheney urged Mr. Bush to consider a military strike against the Iranian nuclear facilities before they could produce fuel suitable for a weapon. Several times, the administration reviewed military options and concluded that they would only further inflame a region already at war, and would have uncertain results.
  • The first stage in the effort was to develop a bit of computer code called a beacon that could be inserted into the computers, which were made by the German company Siemens and an Iranian manufacturer, to map their operations. The idea was to draw the equivalent of an electrical blueprint of the Natanz plant, to understand how the computers control the giant silvery centrifuges that spin at tremendous speeds. The connections were complex, and unless every circuit was understood, efforts to seize control of the centrifuges could fail.
  • The first attacks were small, and when the centrifuges began spinning out of control in 2008, the Iranians were mystified about the cause, according to intercepts that the United States later picked up.
  • The unusually tight collaboration with Israel was driven by two imperatives. Israel’s Unit 8200, a part of its military, had technical expertise that rivaled the N.S.A.’s, and the Israelis had deep intelligence about operations at Natanz that would be vital to making the cyberattack a success.
  • Soon the two countries had developed a complex worm that the Americans called “the bug.” But the bug needed to be tested. So, under enormous secrecy, the United States began building replicas of Iran’s P-1 centrifuges, an aging, unreliable design that Iran purchased from Abdul Qadeer Khan, the Pakistani nuclear chief who had begun selling fuel-making technology on the black market.
  • “This is the first attack of a major nature in which a cyberattack was used to effect physical destruction,” rather than just slow another computer, or hack into it to steal data.
  • It took months for the beacons to do their work and report home, complete with maps of the electronic directories of the controllers and what amounted to blueprints of how they were connected to the centrifuges deep underground. Then the N.S.A. and a secret Israeli unit respected by American intelligence officials for its cyberskills set to work developing the enormously complex computer worm that would become the attacker from within.
  • the code would lurk inside the plant for weeks, recording normal operations; when it attacked, it sent signals to the Natanz control room indicating that everything downstairs was operating normally. “This may have been the most brilliant part of the code,” one American official said.
  • the Iranians had grown so distrustful of their own instruments that they had assigned people to sit in the plant and radio back what they saw.
  • Mr. Bush urged him to preserve two classified programs, Olympic Games and the drone program in Pakistan. Mr. Obama took Mr. Bush’s advice.
  • Mr. Obama authorized the attacks to continue, and every few weeks — certainly after a major attack — he would get updates and authorize the next step. Sometimes it was a strike riskier and bolder than what had been tried previously. “From his first days in office, he was deep into every step in slowing the Iranian program — the diplomacy, the sanctions, every major decision,” a senior administration official said. “And it’s safe to say that whatever other activity might have been under way was no exception to that rule.”
  • In the summer of 2010, shortly after a new variant of the worm had been sent into Natanz, it became clear that the worm, which was never supposed to leave the Natanz machines, had broken free, like a zoo animal that found the keys to the cage.
  • An error in the code, they said, had led it to spread to an engineer’s computer when it was hooked up to the centrifuges. When the engineer left Natanz and connected the computer to the Internet, the American- and Israeli-made bug failed to recognize that its environment had changed. It began replicating itself all around the world.
  • “We think there was a modification done by the Israelis,” one of the briefers told the president, “and we don’t know if we were part of that activity.”
  • Mr. Obama, according to officials in the room, asked a series of questions, fearful that the code could do damage outside the plant. The answers came back in hedged terms. Mr. Biden fumed. “It’s got to be the Israelis,” he said. “They went too far.”
  • American cyberattacks are not limited to Iran, but the focus of attention, as one administration official put it, “has been overwhelmingly on one country.” There is no reason to believe that will remain the case for long. Some officials question why the same techniques have not been used more aggressively against North Korea. Others see chances to disrupt Chinese military plans, forces in Syria on the way to suppress the uprising there, and Qaeda operations around the world. “We’ve considered a lot more attacks than we have gone ahead with,” one former intelligence official said.
  • In fact, no country’s infrastructure is more dependent on computer systems, and thus more vulnerable to attack, than that of the United States. It is only a matter of time, most experts believe, before it becomes the target of the same kind of weapon that the Americans have used, secretly, against Iran.
Javier E

What's Wrong With the Teenage Mind? - WSJ.com - 1 views

  • What happens when children reach puberty earlier and adulthood later? The answer is: a good deal of teenage weirdness. Fortunately, developmental psychologists and neuroscientists are starting to explain the foundations of that weirdness.
  • The crucial new idea is that there are two different neural and psychological systems that interact to turn children into adults. Over the past two centuries, and even more over the past generation, the developmental timing of these two systems has changed. That, in turn, has profoundly changed adolescence and produced new kinds of adolescent woe. The big question for anyone who deals with young people today is how we can go about bringing these cogs of the teenage mind into sync once again
  • The first of these systems has to do with emotion and motivation. It is very closely linked to the biological and chemical changes of puberty and involves the areas of the brain that respond to rewards. This is the system that turns placid 10-year-olds into restless, exuberant, emotionally intense teenagers, desperate to attain every goal, fulfill every desire and experience every sensation. Later, it turns them back into relatively placid adults.
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  • adolescents aren't reckless because they underestimate risks, but because they overestimate rewards—or, rather, find rewards more rewarding than adults do. The reward centers of the adolescent brain are much more active than those of either children or adults.
  • What teenagers want most of all are social rewards, especially the respect of their peers
  • In contemporary life, the relationship between these two systems has changed dramatically. Puberty arrives earlier, and the motivational system kicks in earlier too. At the same time, contemporary children have very little experience with the kinds of tasks that they'll have to perform as grown-ups.
  • The second crucial system in our brains has to do with control; it channels and harnesses all that seething energy. In particular, the prefrontal cortex reaches out to guide other parts of the brain, including the parts that govern motivation and emotion. This is the system that inhibits impulses and guides decision-making, that encourages long-term planning and delays gratification.
  • This control system depends much more on learning. It becomes increasingly effective throughout childhood and continues to develop during adolescence and adulthood, as we gain more experience.
  • Expertise comes with experience.
  • In gatherer-hunter and farming societies, childhood education involves formal and informal apprenticeship. Children have lots of chances to practice the skills that they need to accomplish their goals as adults, and so to become expert planners and actors.
  • In the past, to become a good gatherer or hunter, cook or caregiver, you would actually practice gathering, hunting, cooking and taking care of children all through middle childhood and early adolescence—tuning up just the prefrontal wiring you'd need as an adult. But you'd do all that under expert adult supervision and in the protected world of childhood
  • there is more and more evidence that genes are just the first step in complex developmental sequences, cascades of interactions between organism and environment, and that those developmental processes shape the adult brain. Even small changes in developmental timing can lead to big changes in who we become.
  • The experience of trying to achieve a real goal in real time in the real world is increasingly delayed, and the growth of the control system depends on just those experiences.
  • Becoming an adult means leaving the world of your parents and starting to make your way toward the future that you will share with your peers. Puberty not only turns on the motivational and emotional system with new force, it also turns it away from the family and toward the world of equals.
  • An ever longer protected period of immaturity and dependence—a childhood that extends through college—means that young humans can learn more than ever before. There is strong evidence that IQ has increased dramatically as more children spend more time in school
  • children know more about more different subjects than they ever did in the days of apprenticeships.
  • Wide-ranging, flexible and broad learning, the kind we encourage in high-school and college, may actually be in tension with the ability to develop finely-honed, controlled, focused expertise in a particular skill, the kind of learning that once routinely took place in human societies.
  • this new explanation based on developmental timing elegantly accounts for the paradoxes of our particular crop of adolescents.
  • First, experience shapes the brain.
  • the brain is so powerful precisely because it is so sensitive to experience. It's as true to say that our experience of controlling our impulses make the prefrontal cortex develop as it is to say that prefrontal development makes us better at controlling our impulses
  • Second, development plays a crucial role in explaining human nature
  • Today's adolescents develop an accelerator a long time before they can steer and brake.
  • Brain research is often taken to mean that adolescents are really just defective adults—grown-ups with a missing part.
  • But the new view of the adolescent brain isn't that the prefrontal lobes just fail to show up; it's that they aren't properly instructed and exercised
  • Instead of simply giving adolescents more and more school experiences—those extra hours of after-school classes and homework—we could try to arrange more opportunities for apprenticeship
  • Summer enrichment activities like camp and travel, now so common for children whose parents have means, might be usefully alternated with summer jobs, with real responsibilities.
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    The two brain systems, the increasing gap between them, and the implications for adolescent education.
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    "In gatherer-hunter and farming societies, childhood education involves formal and informal apprenticeship" (Gopnik). Similarly to the way that Marx pointed out the economic shift from hunter-gatherer to farmer to (eventually) capitalist societies, Gopnik underlines the societal shift- especially in teenagers. While I think that some of the changes in teenagers are due to evolution and development (as proven through some of the medical tests mentioned in the article), I think that this issue may relate back to parenting. As the article about French parenting pointed out, it has become a very obvious fact that many (specifically American) parents simply do not have good techniques, and this could effect the way that their child develops and behaves. I also think that another possible explanation to this issue is that there is more expected of teenagers, scholarly, then before; however, as the article mentioned, the real-world experience is lacking. By raising the academic bar higher and higher, it may actually cause more students to, essentially, "burn out" before everything that they have learned can be applied: "What happened to the gifted, imaginative child who excelled through high school but then dropped out of college, drifted from job to job and now lives in his parents' basement?" (Gopnik)
Javier E

Bismarck's Voice Among Restored Edison Recordings - NYTimes.com - 0 views

  • The cylinders, from 1889 and 1890, include the only known recording of the voice of the powerful chancellor Otto von Bismarck. Two preserve the voice of Helmuth von Moltke, a venerable German military strategist, reciting lines from Shakespeare and from Goethe’s “Faust” into a phonograph horn
  • The unlabeled recordings, all housed in the same wooden box, had been found in 1957. But their contents remained unknown until last year, when Jerry Fabris, the curator at the Edison laboratory, used a playback device called the Archeophone to trace the grooves of 12 of the 17 cylinders in the box and convert the analog electrical signals into broadcast WAV files.
  • Bismarck listened to recordings made in Paris and Berlin, and at his wife’s urging, he made his own. He recited snippets of poetry and songs in English, Latin, French and German. Perhaps surprisingly, given his involvement in the Franco-Prussian War, he chose to recite lines from the French national anthem. “Bismarck was a very, very witty man” and reciting the Marseillaise “would tickle him,
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  • The Wangemann cylinders are just the latest in an explosion of discoveries in early recorded sound over the last five years, said Tim Brooks, a sound historian in Greenwich, Conn. In 2008, Dr. Feaster and his colleagues at FirstSounds.org succeeded in playing a version of the French lullaby “Au Clair de la Lune,” deciphered from a tracing in soot-coated paper dating from 1860 — the earliest sound ever recovered. A trove of cylinders recorded in Russia in the 1890s was also recently uncovered.
  • The ability to digitize old recordings and the use of new imaging techniques to map the grooves of damaged cylinder records without touching them has contributed to the onslaught, Mr. Brooks said, adding, “You can actually hear history as well as read about it.
Javier E

Get It Right on Gas - NYTimes.com - 0 views

  • fracking needs to be regulated by the Department of Energy, not just states: “Because if they don’t do it right, there could be trouble,” he says. There’s no excuse not to get it right. “There are good techniques to make it safe that should be followed properly,” he says. But, the smaller, independent drillers, “are wild.” “It’s tough to control these independents. If they do something wrong and dangerous, they should punish them.”
  • We need nationally accepted standards for controlling methane leakage, for controlling water used in fracking — where you get it, how you treat the polluted water that comes out from the fracking process and how you protect aquifers — and for ensuring that communities have the right to say no to drilling. “The key message,” said Krupp, “is you gotta get the rules right. States need real inspector capacity and compliance schemes where companies certify they have done it right and there are severe penalties if they perjure.”
Maria Delzi

BBC News - Elephant Man may shed light on causes of cancer - 0 views

  • Joseph Carey Merrick, better known as the Elephant Man, was born in Leicester 150 years ago.
  • we still know very little about the condition that caused his deformities.
  • Merrick left his remains to science but previous attempts to extract DNA failed because the skeleton was bleached to clean it.
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  • Now 125 years after his death, new techniques mean these bones may finally yield their secrets.
Javier E

Lars Peter Hansen, the Nobel Laureate in the Middle - NYTimes.com - 0 views

  • The Nobel committee recognized Professor Hansen this year for developing a statistical technique, the generalized method of moments. He described it as “a method that allows you to do something without having to do everything.” For example, it’s still impossible to come up with a complete and entirely coherent model of either the overall economy or financial markets, to say nothing of combining the two. But his methods help make it possible to study some of the elements and connections in a statistically valid way. “The idea is to make progress,” he said, “even if you can’t do it all now.” And his approach is in wide use in other areas of social science.
  • The science of economic model-building is very much a work in progress, he said. “The thing to remember about models is they’re always approximations and they will always turn out to be wrong,” he said. That shouldn’t be a surprise, he said, and it doesn’t mean that the models are useless. “You need to ask, are the models wrong in ways that are central to the questions you want to ask, or are they wrong in ways that aren’t so central?” The important thing is to make them better and to come up with interesting answers, he said.
  • “If you simply announce that things are irrational, then that alone doesn’t get you very far. You have to replace rational agents with some concrete notion of what it means to be irrational.” You need to test that notion in a formal, mathematical model, he said. Some of his students have been working at this. “As long as they’re doing this in formal and rigorous ways, I’m all in favor of it.”
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  • Prevailing economic models do not adequately explain the financial crisis, the severe recession or the weak global recovery, he said. “Systemic risk” is a buzzword for politicians and financial regulators, he said, but “the truth is, we really don’t know how to measure it or what exactly it is.”
  • He’s at work, with other scholars, to improve the quality of such models, with the hope “that in five or 10 years we’ll have much better answers.” Not complete answers, but better ones.
Javier E

Huffington Post in Limbo at Verizon - NYTimes.com - 0 views

  • The Huffington Post sits at the center of a phenomenon that some describe as the birth of a new media establishment: Several digital start-ups, including BuzzFeed and Vice, are trying to upend news presentation the way cable channels encroached on broadcast television in the 1980s. By that measure, some in the industry say, $1 billion is a reasonable valuation for a site with more than 200 million unique visitors a month, and acquiring it is a smart play for Verizon as it follows other communications companies, like Comcast, in owning its own content.
  • Others see, instead, a frothy market that has led to overly high valuations for media companies, based largely on branding and a relentless focus on audience development techniques. Photo
  • According to a document published in 2013 by the website The Smoking Gun, The Huffington Post was expected to generate $60 million in revenue in 2011, when AOL bought it, with $10 million in Ebitda (earnings before interest, tax, depreciation and amortization) growing to $165 million in revenue and $58 million in Ebitda by 2013. People with knowledge of its current finances said that its annual revenue is now in the hundreds of millions, and that its profitability depends on how generously its recent investments in a global expansion and video are assessed.
Javier E

I.B.M.'s Watson - Computers Close In on the 'Paris Hilton' Problem - NYTimes.com - 0 views

  • Watson is an effort by I.B.M. researchers to advance a set of techniques used to process human language. It provides striking evidence that computing systems will no longer be limited to responding to simple commands. Machines will increasingly be able to pick apart jargon, nuance and even riddles.
  • Not only do designers face ethical issues, she argues, but increasingly as skills that were once exclusively human are simulated by machines, their designers are faced with the challenge of rethinking what it means to be human.
  • As rapidly as A.I.-based systems are proliferating, there are equally compelling examples of the power of I.A. — systems that extend the capability of the human mind.
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  • Google itself is perhaps the most significant example of using software to mine the collective intelligence of humans and then making it freely available in the form of a digital library.
Javier E

McCain vs Mukasey - The Dish | By Andrew Sullivan - The Daily Beast - 0 views

  • what Thiessen articulates is, in many ways, more disturbing. What we are talking about is a system of violence and torture against whole swathes of prisoners to turn them into wreckages lacking human autonomy. The idea is that this makes them more likely to tell the truth because they have lost the will to resist. So Gitmo is really a camp designed to destroy human beings, not merely detain them, which was what Abu Ghraib revealed.
  • Are all detainees at, say, Gitmo subject to these techniques routinely? That would be the natural inference. If this is how torture was used, isn't it light years' away from the initial "ticking time bomb" scenario - in fact, a complete rebuke to such a scenario?
  • And if the torture creates a broken soul that cannot lie, why do the torture defenders acknowledge that KSM lied to them long after the torture - which is what allegedly tipped them off to the salience of previous intelligence about the alleged courier? If he had been broken into compliance, why on earth did they believe he was lying?
Javier E

The Weekend Interview With David McCullough: Don't Know Much About History - WSJ.com - 0 views

  • 'We're raising young people who are, by and large, historically illiterate,"
  • "I know how much these young people—even at the most esteemed institutions of higher learning—don't know." Slowly, he shakes his head in dismay. "It's shocking."
  • "History is a source of strength," he says. "It sets higher standards for all of us."
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  • "History is often taught in categories—women's history, African American history, environmental history—so that many of the students have no sense of chronology. They have no idea what followed what."
  • "Teachers are the most important people in our society. They need far more pay, obviously, but they need more encouragement. They need more respect. They need more appreciation from all of us. And we shouldn't do anything to hinder them or to make their job harder."
  • "It's our fault," he says, pointing to his chest. "I mean the parents and grandparents of the oncoming generation. We have to talk about history, talk about the books we love, the biographies and histories." He continues, "We should all take our children to historic places. Go to Gettysburg. Go to the Capitol."
  • And teach history, he says—while tapping three fingers on the table between us—with "the lab technique." In other words, "give the student a problem to work on."
  • Mr. McCullough advises us to concentrate on grade school. "Grade school children, as we all know, can learn a foreign language in a flash," he says. "They can learn anything in a flash. The brain at that stage in life is like a sponge. And one of the ways they get it is through art: drawing, making things out of clay, constructing models, and dramatic productions. If you play the part of Abigail Adams or Johnny Appleseed in a fourth-grade play, you're never going to forget it as long as you live."
Javier E

How Animal Welfare Leads to Better Meat: A Lesson From Spain - Daisy Freund - Life - Th... - 0 views

  • research being conducted in Australia and New Zealand is showing that when stress is minimized in animals, the meat has a lower pH and is consistently more delicate than in animals that experience stress during transport, handling, and slaughter.
  • the U.N. Food and Agriculture Organization talks extensively about PSE in its "Guidelines for Humane Handling, Transport and Slaughter of Livestock." When the animals are subjected to manhandling, fighting in the pens, and bad stunning techniques, the fright and stress causes a rapid breakdown of muscle glycogen. This lightens the color of the meat and turns it acidic and tasteless, making it difficult to sell, so it is usually discarded
  • most meat today is ground beyond recognition and consumers can't taste the difference, so the cost of creating stress-free environments for animals doesn't pay off.
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  • fear experienced during slaughter significantly elevates meat's levels of stress hormones—adrenaline, cortisol, and other steroids. Studies on human consumption of artificial growth hormones, which are believed by many to affect our reproductive systems and other bodily processes, have already resulted in policy changes in many countries, including those that make up the E.U. Attention is now turning to these naturally occurring fear-induced hormones as scientists worry that their consumption causes similar problems.
Javier E

"WHY THE WEST RULES…FOR NOW": IAN MORRIS BOOK « Cambridge Forecast Group Blog - 0 views

  • There are two broad schools of thought on why the West rules. Proponents of ‘Long-Term Lock-In’ theories such as Jared Diamond suggest that from time immemorial, some critical factor – geography, climate, or culture perhaps – made East and West unalterably different, and determined that the industrial revolution would happen in the West and push it further ahead of the East. But the East led the West between 500 and 1600, so this development can’t have been inevitable; and so proponents of ‘Short-Term Accident’ theories argue that Western rule was a temporary aberration that is now coming to an end, with Japan, China, and India resuming their rightful places on the world stage. However, as the West led for 9,000 of the previous 10,000 years, it wasn’t just a temporary aberration. So, if we want to know why the West rules, we need a whole new theory. Ian Morris, boldly entering the turf of Jared Diamond and Niall Ferguson, provides the broader approach that is necessary, combining the textual historian’s focus on context, the anthropological archaeologist’s awareness of the deep past, and the social scientist’s comparative methods to make sense of the past, present and future – in a way no one has ever done before.
  • “The nearest thing to a unified field theory of history we are ever likely to get. With wit and wisdom, Ian Morris deploys the techniques and insights of the new ancient history to address the biggest of all historical questions: Why on earth did the West beat the Rest?
  • It is not, he reveals, differences of race or culture, or even the strivings of great individuals, that explain Western dominance. It is the effects of geography on the everyday efforts of ordinary people as they deal with crises of resources, disease, migration, and climate.
Javier E

The Causes of the Civil War, 2.0 - NYTimes.com - 0 views

  • A new poll from the Pew Research Center reports that nearly half of Americans identify states’ rights as the primary cause of the Civil War. This is a remarkable finding, because virtually all American textbooks and prominent historians emphasize slavery, as they have for decades. Even more striking, the poll shows young people put more stock in the states’ rights explanation than older people. The 38 percent of Americans who believe slavery was mainly to blame find themselves losing ground.
  • New computer-assisted tools and techniques can find and evaluate patterns of language and emphasis, otherwise hard to see, among those debates. Researchers at the University of Richmond have developed a computerized text that allows us to explore those hundreds of speeches over time and space, to find connections buried beneath parliamentary procedure and exasperating digressions.
  • Some of the patterns in the speeches quickly undermine familiar arguments for Virginia’s secession. Tariffs, which generations of would-be realists have seen as the hidden engine of secession, barely register, and a heated debate over taxation proves, on closer examination, to be a debate over whether the distribution of income from taxes on enslaved people should be shared more broadly across the state. Hotheads eager to fight the Yankees did not play a leading role in the months of debates; despite the occasional outburst, when delegates mentioned war they most often expressed dread and foreboding for Virginia. Honor turns out to be a flexible concept, invoked with equal passion by both the Unionist and secessionist sides. Virtually everyone in the convention agreed that states had the right to secede, yet Unionists in Virginia won one crucial vote after another.
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  • The language of slavery is everywhere in the debates. It appears as an economic engine, a means of civilizing Africans, an essential security against black uprisings and as a right guaranteed in the United States Constitution. Secessionists and Unionists, who disagreed on so much, agreed on the necessity of slavery, a defining feature of Virginia for over 200 years.
  • The language of slavery, in fact, became ever more visible as the crisis mounted to the crescendo of secession in mid-April. Slavery in Virginia, delegates warned, would immediately decay if Virginia were cut off from fellow states that served as the market for their slaves and as their political allies against the Republicans. A Virginia trapped, alone, in the United States would find itself defenseless against runaways, abolitionists and slave rebellions.
  • But the omnipresence of the language of slavery does not settle the 150-year debate over the relative importance of slavery and states’ rights, for the language of rights flourished as well. The debate over the protection of slavery came couched in the language of governance, in words like “state,” “people,” “union,” “right,” “constitution,” “power,” “federal” and “amendment.” Variants of the word “right,” along with variants of “slave,” appear once for every two pages in the convention minutes.
  • When the Virginians talked of Union they talked of a political entity built on the security and sanction of slavery in all its dimensions, across the continent and in perpetuity.
  • the Republicans miscalculated, underestimating the unanimity of white Southerners, whatever their other divisions, over slavery. Entire states, not merely individuals, possessed and were possessed by slavery. Secessionists and Unionists in Virginia sought to protect the single greatest unifying interest in the state — enslaved labor — with the single language they possessed for doing so, a language of political right.
  • In short, the records of the Virginia secession debate demonstrate how the vocabularies of slavery and rights, entangled and intertwined from the very beginning of the United States, became one and the same in the secession crisis.
  • The “disease which has called together this convention,” Leake lamented, was the North’s fixation on slavery. That fixation was not a mere “derangement; it is chronic, it is deep-seated,” and it must come to an end. “It is necessary for the Northern people to correct their sentiments upon the subject of slavery, it is necessary that they should abstain from intermeddling with the institution before any harmony or quiet can be restored.”
  • Perhaps, given new tools and perspectives, Americans can change the focus of our arguments about the “primary cause” of the Civil War. If the North fought to sustain the justice, power and authority of the federal government, the corollary, many assume, must be that the South fought for the opposite, for the power of the states.
  • But the equation did not balance in that way: the North did not fight at first to end slavery, but the South did fight to protect slavery. It is vital that we use the tools newly available to us to grasp this truth in its immediacy and complexity, before it fades even further from view.
Javier E

Discoveries Challenge Beliefs on Humans' Arrival in the Americas - NYTimes.com - 0 views

  • Researchers here say they have unearthed stone tools proving that humans reached what is now northeast Brazil as early as 22,000 years ago. Their discovery adds to the growing body of research upending a prevailing belief of 20th-century archaeology in the United States known as the Clovis model, which holds that people first arrived in the Americas from Asia about 13,000 years ago.
  • Paleontologists in Uruguay published findings in November suggesting that humans hunted giant sloths there about 30,000 years ago. All the way in southern Chile, Tom D. Dillehay, an anthropologist at Vanderbilt University, has shown that humans lived at a coastal site called Monte Verde as early as 14,800 years ago.
  • Dr. Guidon, the Brazilian archaeologist who pioneered the excavations, asserted more than two decades ago that her team had found evidence in the form of charcoal from hearth fires that humans had lived here about 48,000 years ago.
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  • the Clovis model was recently bolstered by new DNA analysis ancestrally connecting indigenous peoples in Central and South America to a boy from the Clovis culture whose 12,700-year-old remains were found in 1968 at a site in Montana.
  • she said she believed that humans had reached these plateaus even earlier, around 100,000 years ago, and might have come not overland from Asia but by boat from Africa.
  • Professor Boëda, who succeeded Dr. Guidon in leading the excavations, said that such early dates may have been possible but that more research was needed. His team is using thermoluminescence, a technique that measures the exposure of sediments to sunlight, to determine their age.
  • In what may be another blow to the Clovis model of humans’ coming from northeast Asia, molecular geneticists showed last year that the Botocudo indigenous people living in southeastern Brazil in the late 1800s shared gene sequences commonly found among Pacific Islanders from Polynesia.
  • How could Polynesians have made it to Brazil? Or aboriginal Australians? Or, if the archaeologists here are correct, how could a population arrive in this hinterland long before Clovis hunters began appearing in the Americas? The array of new discoveries has scholars on a quest for answers.
  • But he added that if the results obtained here in Serra da Capivara are accurate, they will raise even more questions about how the Americas were settled.“If so, then whoever lived there never passed on their genetic material to living populations,” said Dr. Waters, explaining how the genetic history of indigenous peoples links them to the Clovis child found in Montana. “We must think long and hard about these early sites and how they fit into the picture of the peopling of the Americas.”
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