Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining ...

A groundbreaking international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The research reveals that our human ancestors were periodically ...

For more than half a century, many biologists have leaned on the neutral theory of molecular evolution to explain how DNA 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 ...

A recent study proposes a new paradigm for understanding the role of carrion in the subsistence of human populations throughout their evolution. Ana Mateos and Jesús Rodríguez, scientists at the ...

A badly crushed cranium unearthed decades ago from a riverbank in central China that once defied classification is now shaking up the human family tree, according to a new analysis.Related video above ...