According to recently published work in Nature, the Cancer Genome Atlas has revealed that many tumors are heterogeneous. More mutations might mean more drug targets, says Derek Lowe, but that's not necessarily a good thing, he writes at In the Pipeline.

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Researchers describe a way to share data while keeping it secure, Agence France Presse reports.

In Science this week: genetic mutations typically associated with esophageal cancer are common in older, healthy individuals, and more.

India's Council of Scientific and Industrial Research has a new director-general, according to ScienceInsider.

A new study links more than a hundred genes to autism spectrum disorder, Discover's D-brief blog reports.