One overarching problem facing global scientific research communities today is that too many research projects produce results that don't seem to be reproducible, thereby failing a basic tenet of science. If someone publishes a study saying that alcoholic housecats grossly overestimate their leaping abilities compared to non-alcoholic cats, then one should be able to reproduce the same study and see the same antic results, right? The stakes are far higher, of course, if the results cover the efficacy of a new cancer drug or stem cell treatments, as they often do.

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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.