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 ...

Thousands of years ago, ancient humans undertook a treacherous journey, crossing hundreds of miles of ice over the Bering Strait to the unknown world of the Americas. Now, a new study led by the ...

According to a new study, exposure to lead by ancient humans could have given modern humans a survival advantage over other species – more specifically, their ability to better resist lead's harmful ...