This Week in Nature

In Nature this week, scientists from the University of Minnesota report on the identification of a likely source of genetic mutations required for cancer development. The team specifically found that the DNA cytosine deaminase APOBEC3B is upregulated in most primary breast tumors and breast cancer cell lines. "Tumors that express high levels of APOBEC3B have twice as many mutations as those that express low levels and are more likely to have mutations in TP53," they write.

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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.