This Week in Nature

In a paper published online in advance in Nature this week, members of the Heliconius Genome Consortium report having sequenced the genome of the neotropical butterfly H. melpomene, which they compared "with other taxa to investigate chromosomal evolution in Lepidoptera and gene flow among multiple Heliconius species and races." Further, using genomic resequencing, the group presents evidence of "hybrid exchange of genes between three co-mimics, H.

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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.