A federal official tells CNN that DNA tests are being used to try to reunite migrant families that were separated at the southern US border. GenomeWeb adds that the tests have been ordered and performed by the Department of Health and Human Services' Office of Refugee Resettlement.

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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.