This Week in PNAS

In PNAS this week, scientists at UNC Chapel Hill have used computational prediction to identify a unique motif that is recognized and bound only by the yeast Type I Hsp40s Ydj1. Heat shock proteins such as Ydj1 play a role in refolding damaged proteins. A yeast proteome screen revealed that many proteins contain more than one stretch of residues that contain the motif and are separated by varying numbers of amino acids, they say.

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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.