This Week in Nature

In Nature this week, a team led by Colorado State University researchers published an evolutionary study of guppies, providing details about how organisms adapt to environmental change. The researchers transplanted wild Trinidadian guppy from a stream with predatory pike fish into two predator-free streams, then compared gene expression patterns in the brains of the original and transplanted populations after several generations.

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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.