Going from zero to a well-known brand in any country takes a long time, but in the U.S. it will take a lot longer.

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Only one of these five signals was known before.

144

This approach allows us to take a broad prospective to see what kinds of biological systems are undergoing adaptation. There have been a lot of recent changes--the advent of agriculture, shifts in diet, new habitats, climatic conditions--over the past 10,000 years, and we're using these data to look for those signals of very recent adaptation.

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There is ample evidence that selection has been a major driving point in our evolution during the last 10,000 years, and there is no reason to suppose that it has stopped.

124

I think my work is changing people's ideas about evolution, because now natural selection seems to have continued all the way up to the present day. There's no reason to think it stops now.

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