The human gastrointestinal tract is in a constant state of flux; it hosts a diverse and dynamic community of microbes known as the gut microbiome, and is constantly exposed to things in the ...

For more than a century, scientists have treated the brain as the undisputed command center of human evolution, with the rest ...

Research from an international team finds that the human gut is a site of rapid change, with recent and important deviations from other mammals, including our closest living relative, the chimpanzee.

Scientists have long suspected that the trillions of microbes in our intestines do more than digest lunch, but new work goes ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary shift—driven not by genes, but by culture. "Human evolution seems to be changing ...

The human small intestine is an essential organ that helps us absorb nutrients and vitamins from food. It is an average of 6 meters long and is covered with millions of villi that are separated by ...