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 suggest that genetic variations could influence the side effects people experience when using synthetic cannabinoids, the International Business Times reports.

An analysis has examined the makeup of researchers on Twitter and what they share, Nature News reports.

At Stat News, Jim Kozubek argues that the Broad Institute is pushing the boundary of what a nonprofit is.

In PNAS this week: gut microbes may affect honeybee weight, phenotype and gene expression changes in DiGeorge syndrome, and more.