Woodrats use ‘quantity over quality’ as a detox plan
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U biologists discover surprising answers for how the tiny rodent quickly evolved tolerance to a poisonous diet of creosote bushes.
Read MoreTag: natural selection
Darwin’s short-beak enigma solved
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A mutation in the ROR2 gene is linked to beak size reduction in numerous breeds of domestic pigeons. Surprisingly, mutations in ROR2 also underlie a human disorder called Robinow syndrome.
Read MoreSex, lice and videotape
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Biologists drove the divergence of different-sized feather lice from a single population. In four years the evolved lice had trouble mating with each other, a sign of speciation and they caught it on tape.
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