A study of 225 newborns suggests prenatal estrogen may have played a role in the evolution of larger human brains. Boys with ...

Add Yahoo as a preferred source to see more of our stories on Google. Human brains may have shrunk about 3,000 years ago as collective intelligence grew, researchers suggest. (CREDIT: Wikimedia / CC ...

A new study, published July 6, 2026, in the journal Nature Communications, suggests that two of the best-known trends in human evolution—brain growth and the reduction in the size of the face and ...

Our brains are large compared with other animals, so it is tempting to assume there was an evolutionary advantage to them – but that may not be true at all ...

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly dependent on increases in prenatal oestrogen - revealed by looking at the ...

Recent research challenges the idea that natural selection favored larger human brains. Scientists analyzed fossil skulls and ...

A new Yale study provides a fuller picture of the genetic changes that shaped the evolution of the human brain, and how the process differed from the evolution of chimpanzees. For the study, published ...

Add Yahoo as a preferred source to see more of our stories on Google. Family of gorillas© Marian Galovic/Shutterstock.com The post The Evolution of the Brain May Have Outpaced the Body, New Study ...

It wasn’t the size of human brains that distinguished people from apes, he theorized, but the way they were organized. He found a creative way to prove it. By Adam Nossiter Ralph Holloway, an ...

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly dependent on increases in prenatal estrogen—revealed by looking at the length ...

Many of the body's biggest flaws are the result of evolution building on old designs instead of starting over. Our spine, ...

For most of human evolution, the story of the brain seemed to move in one direction. It got bigger. That long rise is still there in the fossil record. But a new analysis argues that the trend did not ...