Author Archives: gcochran9

Breadth-first search

When I complain about some egregious piece of research,  particularly those that are in some sense cross-disciplinary, I often feel that that just knowing more would solve the problem. If Roland Fryer or Oded Galor understood genetics, they wouldn’t make … Continue reading

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Dogs and Men

Razib Khan talks about a new article that suggests that dogs were domesticated quite a long time ago, perhaps more than 35,000 years ago, well before the last glacial maximum. We know that dogs have adapted to life with people, … Continue reading

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One more time

One of our local error sources suggested that it would be impossible to rebuild technical civilization, once fallen. Now if every human were dead I’d agree, but in most other scenarios it wouldn’t be particularly difficult, assuming that the survivors … Continue reading

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Measles and immunological amnesia

A new paper in Science , by Michael Mina et al,  strongly suggests that measles messes up your immunological defenses for two or three years. This is the likely explanation for the fact that measles inoculation causes much greater decreases … Continue reading

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SNP confusion

A single nucleotide polymorphism is a nucleotide that is variable – not everyone has the same one at that site.  To be more precise, it’s one that has significant variation – at least a few percent of people (in the … Continue reading

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The Old Race

That puzzling variant of PLK4, that increases the miscarriage rate,  is very widespread, moderately common in almost all population – but it’s rare in Bushmen (frequency of 1 in 38 among the  Ju’/hoansi) and Pygmies,  enough to you suspect that … Continue reading

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Roland Fryer wins the John Bates Clark medal

Roland Fryer has won the John Bates Clark medal for the top economist under 40. I’ve paid attention to some of his papers that impinge on biology, even corresponded with him.  In one,  he argued that higher risk for cardiovascular … Continue reading

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