Researchers have created a kind of "invisible ink for the biotech age" by spreading bacteria — engineered to glow — in encrypted patterns on paper, reports Wired's Brandon Keim. Tufts University chemist David Walt, who co-developed the system, says this "secret agent" application could be used to send cryptic messages.

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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.