This Week in Science

In Science this week, researchers compare the genomes of two types of crows — the all-black carrion crow and the gray-coated hooded crow — and find that a very small percentage of the birds' genes are responsible for their different looks. The team compared the genomes of 60 crows from the areas in Europe where their ranges overlap and found that varied expression of less than 0.28 percent of the entire genome was enough to maintain different coloration between the two species.

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

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.

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