Do gut microbes migrate? That what one microbiologist asked his colleagues at the International Human Microbiome Congress in Paris in March, says Veronique Greenwood at the 80beats blog. The University of Toronto's James Scott made a presentation on the gut microbiomes of babies, and said that he found the same microbes in the babies' poop as in the dust in their homes.

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

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

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

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