This Week in Nature

In this week's issue of Nature, a UK research team reports that they have identified large, rare chromosomal copy number changes linked to early obesity. In a group of 300 Caucasian individuals with early onset obesity, including 143 with developmental delays, the researchers found recurrent, rare deletions of various sizes affecting a chromosome 16 region called 16p11.2 — previously tied to conditions such as autism and mental retardation.

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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.

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

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.