It had been thought that North and South America were populated in one large migratory wave from Siberia, but a new study published in Nature shows that there were probably three waves of migrants who became the Native Americans of North and South America, says The New York Times' Nicholas Wade.
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Using DNA to sketch crime victims might not be a great idea, the NYTimes says.
Science has its own problem with sexual harassment. What do we do with the research these abusers produce, Wired asks.
Senate Republicans led by Senator Rand Paul (R-KY) are trying to change how the government funds basic research, reports ScienceInsider.
In Science this week: combining genomics and ecology to better understand the effects of natural selection on evolution, and more.