If you thought microarrays were tiny, brace yourself for the next small thing: nanoarrays. In last week’s Sciencexpress, Chad Mirkin and colleagues from Northwestern University and the University of Chicago describe their protein arrays with feature sizes of 100 to 350 nanometers, producing an array about 200,000 times more dense than the yeast proteome array most recently reported in the literature.

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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.