On Wired's Threat Level blog, David Kravets describes an upcoming US Supreme Court case that is expected to address whether authorities can take DNA samples from anybody arrested for a serious crime.

According to Kravets, "at least 27 states and the federal government have regulations requiring suspects to give a DNA sample upon some type of arrest, regardless of conviction."

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In Nature this week: omic analysis of permafrost microbes, hookworm genome, and more.

Biologists turn to environmental DNA sampling to determine whether elusive or invasive species are shedding DNA in a given area.

Rob Knight writes at Scientific American that microbiome studies are about to break out of the laboratory.

Harold Varmus, the director of the National Cancer Institute, has announced that he is stepping down after nearly five years.