This Week in PNAS

In this week's PNAS Early Edition, a public-private research consortium of investigators at plant research institutes as well as beer and whiskey producers across Europe reports its mapping of 15 traits across about 500 barley crop cultivars genotyped with more than 1,500 SNPs. The team found "high levels of linkage disequilibrium within and between chromosomes" and "common alleles of high penetrance" across the cultivars.

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An artificial intelligence-based analysis suggests a third group of ancient hominins likely interbred with human ancestors, according to Popular Mechanics.

In Science this week: reduction in bee phylogenetic diversity, and more.

The New York Times Magazine looks into paleogenomics and how it is revising what's know about human history, but also possibly ignoring lessons learned by archaeologists.

The Economist reports on Synthorx's efforts to use expanded DNA bases they generated to develop a new cancer drug.