This Week in Science

In this week's Science, an international research team uses genomic data to show that the agricultural use of maize throughout the highlands of the US likely occurred due to propagation of varieties with earlier flowering times. Although maize became a staple crop in the southern lowlands of the US when it was introduced from Mexico about 4,000 years ago, it took about 2,000 more years until it was widely grown at higher elevations.

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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.