Gut microbes followed migrating humans across continents, new study suggests

A Tsimane extended family gets ready for the morning, while a large pot of manioc roots cooks in preparation to make shocdye, a local fermented brew.

New research looks at the surprising similarities in the gut microbiomes of hunter-gathers in Tanzania and horticulturalists in Bolivia, and asks: What role do these bacteria play in human health?

(Image credit: Michael Gurven)