A recent Nature poll of 1,000 biomedical researchers from around the world shows that while 90 percent of them say research on animals is "essential," 16 percent say they have "misgivings" about using animals, and 33 percent had "ethical concerns" about the role animals play in their research. However, Nature's Daniel Cressey says, it seems that the impact of animal activism on researchers isn't as broad as it may seem.

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The London School of Economics' Daniele Fanelli argues at the Proceedings of the National Academy of Sciences that the reproducibility crisis in science isn't as dire as some say.

A team of researchers in Portugal has examined the genomic basis for racing pigeons' athleticism and navigational skills, finding it's likely polygenic.

Wired reports that diagnostic firms continue to seek, post-Theranos, the ability to diagnose diseases from small amounts of blood.

In Science this week: analysis of DNA from ancient North Africans, and more.