The genomes of ancient Neandertals and Denisovans indicate that there was interbreeding between those groups and anatomically modern humans, and a recent analysis, presented at a Royal Society meeting in London on ancient DNA, indicates the presence of a fourth, extinct archaic hominid population, Nature News reports.

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In a statement, National Institutes of Health Director Francis Collins says sexual harassment is "morally indefensible" and "unacceptable."

Octopuses might owe their intelligence to their liberal alterations to their genes, Cosmos reports.

Stat News and ProPublica report that African Americans are underrepresented in cancer clinical trials.

In Cell this week: genomic analysis of abdominal aortic aneurysm, effect of probiotics on the microbiome, and more.