New guidelines are being introduced in the US for companies that supply "custom DNA," in order to guard against bioterrorists looking to build dangerous viruses from the genes up, says the New Scientist. Several firms supply DNA sequences to order, and as the New Scientist reported in 2005, only five out of the 12 that do so in North America and Europe screened every order for sequences that could be used in bioweapons.

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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.