The microorganisms in our gastrointestinal tract–the gut microbiome can exert a profound influence on the human body, and scientists are learning more about exactly how certain microbes can impact us.

For more than a century, scientists have treated the brain as the undisputed command center of human evolution, with the rest of the body cast in supporting roles. A wave of new microbiome research is ...

Compared to other large primates, humans have unusually big brains. Now, scientists have suggested that the large size of our brains may have been influenced by the gut microbiome. The microbes in the ...

A new study has shed light on why our brains evolved to be so large. The answer lies in the microbes present in our guts. The brain consumes huge amounts of energy and scientists suggest that gut ...

Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes ...

Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and steadily began to spread its reach from the tidal pools to the oceans to ...

Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

For the best experience, please enable JavaScript in your browser settings. A man crosses a main road as pedestrians carrying food walk along the footpath in central ...