This Week in PLoS

In PLoS ONE this week, Eric Schadt and his colleagues quantified the extent of population stratification in Caucasian American, African American, and Hispanic American populations. After genotyping and measuring gene expression in liver tissue from nearly 1,100 individuals, the team came up with a method for detecting this population stratification and also examined how it affects expression quantitative trait loci in genome-wide association studies.

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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.