This Week in PLOS

A team from the US, Russia, and Switzerland tracked down human-specific epigenetic marks in neurons from the prefrontal cortex, a brain region involved in higher order cognitive functions. As they report in PLOS Biology, the researchers assessed genome-wide histone H3 trimethyl-lysine 4, or H3K4me3, marks in prefrontal cortex samples from 11 humans, four chimpanzees, and three rhesus macaques. The search uncovered almost 500 sequences with human-specific H3K4me3 levels.

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The New York Times profiles 23andMe's Anne Wojcicki and describes how she bounced back from a bad year.

Fotis Kafatos, the founding president of the European Research Council, has died, according to the Associated Press.

In PLOS this week: genomic analysis of honeybee disease, microRNA profiles of people with lupus nephritis, and more.

The Verge's Angela Chen tried out a gene test for fitness advice, but didn't learn much new information.