Sharing = Evolution

Researchers have long known that bacteria and archaea can alter, lose, or duplicate their genes almost at will in order to survive in a range of environments, says Scientific American's Carrie Arnold. While it's also known that bacteria can also acquire genes from their neighbors — a trait that can lead to antibiotic resistance — it was thought that this kind of horizontal gene transfer was rare and occurred only under strong environmental pressures, Arnold says.

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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.