This Week in Cell

MIT's Robert Horvitz and his colleagues show in a Cell paper published online in advance this week that "the CAF-1 protein complex, an evolutionarily conserved histone chaperone that deposits histone H3-H4 proteins onto replicating DNA, is required to generate a bilateral asymmetry in the C. elegans nervous system." Horvitz et al.

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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.