This Week in PNAS

In this week's PNAS Early Edition, researchers at Tufts University School of Medicine, along with their colleague at Harvard Medical School, show that "minimization of the Legionella pneumophila genome reveals chromosomal regions involved in host range expansion." By screening for genes necessary for optimal growth in nutrient-rich medium, the team found that the "L.

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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.