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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.
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    "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

journalism.sg » Tin Pei Ling's baptism of fire: Should bloggers have lit the ... - 0 views

  • That is nothing, though, compared with the attack by Temasek Review, the anonymously-run website with lofty ambitions “to foster an informed, educated, thinking and proactive citizenry.” The website delved into her personal life – even questioning her motives for marrying her husband – to present her as a materialistic, social climbing monster. Such attacks have also been flying around social media.
  • Never mind that Tin (unlike most high-flying PAP candidates) has several years’ grassroots experience; sections of the online community have dismissed the possibility that someone so young – she is in her 20s – could serve in the highest forum in the land. (I recall feeling similarly skeptical when Eunice Olsen was put up as an NMP. She proved me wrong and I have learnt not to prejudge.)
  • Siew Kum Hong, hardly a PAP apologist, has had the intellectual honesty and moral courage to come out swiftly in his blog against this distasteful turn of events.
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  • some others have argued that election candidates should expect such a baptism of fire. One blogger, while agreeing that the incident was “unfortunate”, said with Nietzsche-like logic, “If Ms. Tin is made of sterner stuff, she’ll live through this. If our future political leaders don’t have the tenacity to look past the Glee-like slushies and take the hit for the citizens of Singapore, then I don’t think they deserve my vote in the first place.”
  • how Tin and her party leaders respond to this episode will say a lot about their preparedness for the new terrain.
  • This, however, doesn’t really excuse those who have chosen to corrupt that terrain.
  • Some online posters have argued that the PAP is just reaping what it has sown: it has made life ugly for those who dare to enter Opposition politics, deterring many able individuals from joining other parties; now it’s payback time, time for the PAP can get a taste of its own medicine. Certainly, the online world should help to level what is undoubtedly a tilted offline playing field. This imperative is what motivates some of Singapore’s best online journalism.
  • Websites that say they want to help raise the level of Singapore’s political discourse shouldn’t go lower than the politicians themselves.
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    Never mind that Tin (unlike most high-flying PAP candidates) has several years' grassroots experience; sections of the online community have dismissed the possibility that someone so young - she is in her 20s - could serve in the highest forum in the land. (I recall feeling similarly skeptical when Eunice Olsen was put up as an NMP. She proved me wrong and I have learnt not to prejudge.)
Weiye Loh

Oxford academic wins right to read UEA climate data | Environment | guardian.co.uk - 0 views

  • Jonathan Jones, physics professor at Oxford University and self-confessed "climate change agnostic", used freedom of information law to demand the data that is the life's work of the head of the University of East Anglia's Climatic Research Unit, Phil Jones. UEA resisted the requests to disclose the data, but this week it was compelled to do so.
  • Graham gave the UEA one month to deliver the data, which includes more than 4m individual thermometer readings taken from 4,000 weather stations over the past 160 years. The commissioner's office said this was his first ruling on demands for climate data made in the wake of the climategate affair.
  • an archive of world temperature records collected jointly with the Met Office.
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  • Critics of the UEA's scientists say an independent analysis of the temperature data may reveal that Phil Jones and his colleagues have misinterpreted the evidence of global warming. They may have failed to allow for local temperature influences, such as the growth of cities close to many of the thermometers.
  • when Jonathan Jones and others asked for the data in the summer of 2009, the UEA said legal exemptions applied. It said variously that the temperature data were the property of foreign meteorological offices; were intellectual property that might be valuable if sold to other researchers; and were in any case often publicly available.
  • Jonathan Jones said this week that he took up the cause of data freedom after Steve McIntyre, a Canadian mathematician, had requests for the data turned down. He thought this was an unreasonable response when Phil Jones had already shared the data with academic collaborators, including Prof Peter Webster of the Georgia Institute of Technology in the US. He asked to be given the data already sent to Webster, and was also turned down.
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    An Oxford academic has won the right to read previously secret data on climate change held by the University of East Anglia (UEA). The decision, by the government's information commissioner, Christopher Graham, is being hailed as a landmark ruling that will mean that thousands of British researchers are required to share their data with the public.
Weiye Loh

Interview etiquette : Johann Hari - 0 views

  • occasionally, at the point in the interview where the subject has expressed an idea, I’ve quoted the idea as they expressed it in writing, rather than how they expressed it in speech. It’s a way of making sure the reader understands the point that (say) Gideon Levy wants to make as clearly as possible, while retaining the directness of the interview.
  • if somebody interviewed me and asked my views of Martin Amis, instead of quoting me as saying “Um, I think, you know, he got the figures for, uh, how many Muslims there are in Europe upside down”, they could quote instead what I’d written more cogently about him a month before, as a more accurate representation of my thoughts. I stress: I have only ever done this where the interviewee was making the same or very similar point to me in the interview that they had already made more clearly in print.
  • after doing what must be over fifty interviews, none of my interviewees have ever said they had been misquoted, even when they feel I’ve been very harsh on them in other ways.
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  • Gideon Levy said, after my interview with him was published, that it was “the most accurate take on me anyone has written” and “profoundly moved him” – which hardly fits with the idea it was an inaccurate or misleading picture.
  • one blogger considers this “plagiarism”. Who’s being plagiarized? Plagiarism is passing off somebody else’s intellectual work as your own – whereas I’m always making it clear that (say) Gideon Levy’s thought is Gideon Levy’s thought. I’m also a bit bemused to find that some people consider this “churnalism”. Churnalism is a journalist taking a press release and mindlessly recycling it – not a journalist carefully reading over all a writer’s books and selecting parts of it to accurately quote at certain key moments to best reflect how they think.
  • I called round a few other interviewers for British newspapers and they said what I did was normal practice and they had done it themselves from time to time. My test for journalism is always – would the readers mind you did this, or prefer it? Would they rather I quoted an unclear sentence expressing a thought, or a clear sentence expressing the same thought by the same person very recently? Both give an accurate sense of what a person is like, but one makes their ideas as accessible as possible for the reader while also being an accurate portrait of the person.
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