This Week in Science

In a paper published online in advance in Science this week, the University of Texas at Austin's Jae Bok Heo and Sibum Sung show that the long intronic non-coding RNA COLDAIR is a critical component for the vernalization-mediated epigenetic repression of the floral repressor FLC in Arabidopsis. COLDAIR, Heo and Sung write, "is required for establishing stable repressive chromatin at FLC through its interaction with [polycomb repressive complex 2]."

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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.