This Week in Science

In Science this week, a research team led by University of Utah and University of Copenhagen scientists publish the genomes of the domestic rock pigeon as well as 36 other breeds and two wild species of the bird, offering insights into how the animals evolved. The investigators found that most pigeon breeds originated in the Middle East, and that escaped birds of a racing breed contributed to North American 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.