This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, researchers from China, Spain, and Switzerland explore the history of a Mycobacterium tuberculosis genotype known as the Beijing family. The team considered genome sequences for more than 350 global M. tuberculosis isolates — including dozens of Beijing and non-Beijing strains that were newly sequenced for the study — as well as genotyping patterns for around 1,400 more.

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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.