Bone strength study reveals new clues about human evolution

Bipedalism, or walking on two legs, is one of the key features that distinguishes humans from other apes. But when and why our ancestors transitioned from a life often spent in trees to a life spent almost exclusively on ...

Gut bacteria mostly compete—but cooperation finds a way

Understanding how bacteria influence one another is essential for understanding how microbial communities are formed and maintained. Researchers at Umeå University have now systematically mapped interactions between common ...

Lab-grown brain models gain a sense of place

The human brain is often described as one of the most complex structures in biology, and much of its power comes from how it's organized. Its outer layer, the cerebral cortex, is not one uniform sheet. As the brain develops, ...

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