On twins, genomes, and health

On twins, genomes, and health

Twins have sometimes no resemblance to each other. – Aristotle, The History of Animals A much-discussed new paper from Nicholas Roberts, Bert Vogelstein, and colleagues…

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Polymorphism I

Polymorphism I

“If you come to any more conclusions about polymorphism, I shd [sic] be very glad to hear the result: it is delightful to have many…

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On polymorphism III: Working with peanuts

On polymorphism III: Working with peanuts

We’re now ready to ask — and answer — the question: how much polymorphism is to be found in a given population? Remember that ‘polymorphism’…

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On polymorphism II: Hard-drinking fruitflies

On polymorphism II: Hard-drinking fruitflies

The last post hinted at how useful it is to compare the amount of genetic variation found in one population to that found in another….

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Second Life

Second Life

New Scientist has some intriguing recent stories on particular fronts of research, including a discussion of the search for so-called ‘shadow life‘ — meaning, essentially,…

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What's in a Surename

What’s in a Surename

When I was growing up, my family would occasionally get a piece of junk mail inviting us to send off fifty bucks or so for…

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Cloning, Epilogue

Cloning, Epilogue

In an insightful essay (published in an excellent anthology edited by Martha Nussbaum and Cass Sunstein, which also includes other sources cited in this series…

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The new emperor's clones: Obama's refreshing but tepid embrace of reasoned sci/tech policy

The new emperor’s clones: Obama’s refreshing but tepid embrace of reasoned sci/tech policy

On 9 March, President Obama issued an executive order to lift hobbling restrictions on embryonic stem cell research imposed by his predecessor, George Bush. In…

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Cloning, part one: The ballad of bill S.812

Cloning, part one: The ballad of bill S.812

Two years before Obama’s executive order to rescind limits on stem cell research, Senator Orrin Hatch introduced bill S.812, the ‘Human Cloning Ban and Stem…

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Cloning, part two: Hearsay, hearsay!

Cloning, part two: Hearsay, hearsay!

The trouble started back in December 2002, when the BBC aired a documentary film that openly probed the tenets of a popular sect. The day…

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