This Week in Science

In a paper appearing in Science Translational Medicine, scientists led by Washington University's Jeffrey Gordon created "humanized gnotobiotic mice" in order to study the effects of diet on the human gut microbial community. Feeding human feces to germ-free mice, they were able to create an animal model of the human gut microbiota, and then they tested how it reacted to certain diets.

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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.