Whitehead Institute founding member Robert Weinberg discusses the behavior of cancer cells over at MIT's Technology Review. In this question and answer piece, Weinberg suggests that metastases arise from cancer cells' ability to tap into embryonic behaviors to move about, invade tissues, and ignore calls for apoptosis. But, he adds that "cancer cells are not as clever as we think they are" since they don't turn on old behaviors systematically.

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The US National Institutes of Health has developed guidelines to gauge whether frail chimpanzees are healthy enough to be moved to a retirement sanctuary.

Osamu Shimomura, who won the 2008 Nobel Prize in Chemistry for his work on green fluorescent protein, has died.

In PLOS this week: analytical approach for finding new genetic associations, analysis of Streptococcus pyogenes-infecting viruses, and more.

Stat News reports that the head of IBM Watson Health is leaving her post.