The Genographic Project has just published a paper in the American Journal of Human Genetics where researchers used mitochondrial DNA of more than 600 living Africans to show the how genetic diversity played out in Africa before people left the continent some 65,000 years ago. According to this article in The Economist, they found that two major lines emerged around 200,000 years ago, and for much of its history, the species was divided into

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Researchers test gene therapy targeting a different cancer protein in a new trial, the New York Times reports.

Pennsylvania State University researchers found that salivary microRNAs could predict which kids would have longer concussion symptoms, according to NPR.

The Associated Press reports Alex Azar, the new Department of Health and Human Services secretary nominee, made millions of dollars as a pharmaceutical executive.

In PNAS this week: immune profiling of breast cancer, transposable element patterns in rice, and more.