Oxford's Gero Miesenböck has written an article in SciAm about the emerging field of optogenetics and his own quest to use genetically encoded sensors and actuators to measure activity of specific neuronal cell populations.

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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.