An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
The Inside Guide: The Gut Microbiome’s Role in Host Evolution

Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.

Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.

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lactase persistence
Humans Never Stopped Evolving
John Hawks | Aug 1, 2016
The emergence of blood abnormalities, an adult ability to digest milk, and changes in our physical appearance point to the continued evolution of the human race.