Time for Plan B

Former Senator Tom Daschle withdrew his nomination as the secretary of Health and Human Services amidst questions over his taxes and time spent as an adviser to an investment firm and to a Washington law firm. "I realized that I can't pass health care if I am too much of a distraction," Daschle says.

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Magdalena Skipper, the incoming editor-in-chief of Nature, speaks with NPR's Weekend Edition Sunday.

Genetic genealogy has led to an arrest in another cold case, dating back to 1987.

In PLOS this week: mutation in second gene widens clinical symptoms of people with ADD3 mutations, comparative genomic analysis of Pseudovibrio, and more.

Wired reports that 23andMe is trying to bolster its outside collaborations.