Skull (IMAGE)

University of California - San Diego

Skull

Caption

UC San Diego researchers have found high levels of lead in the teeth of both Neanderthals (left) and modern humans (right). However, a gene mutation may have protected modern human brains, allowing language to flourish.

Credit

Kyle Dykes/UC San Diego Health Sciences

Usage Restrictions

use photo credit

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.