Fossilized human teeth spanning two million years of evolution had shockingly high contents of lead, which may have been the ...

Scientists found that one tiny DNA change in the NOVA1 gene helped modern humans resist lead exposure that harmed ...

Lead poisoning isn't just a modern phenomenon: fossil teeth show signs that it affected ancient hominids, and Homo sapiens ...

Several hominid species were consistently exposed to lead for almost two million years, which may have given modern humans a ...

Long before factories, mines, and cars filled the air with pollution, our distant ancestors were already living with a silent ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The ...

Long before humans built cities or wrote words, our ancestors may have faced a hidden threat that shaped who we became.

"We found clear signals of episodic lead exposure in 73 percent of the specimens (71 percent for hominins Australopithecus, ...

Shizuka, a seven-year-old female Sumatran orangutan, seen in a cage before being transferred to Indonesia at Suvarnabhumi International Airport. CREDIT: SOPA Images/Getty Images (NEW YORK) — ...

A new study suggests that exposure to lead may have limited brain and language development in Neanderthals, but a gene ...

Far up in the Ethiopian highlands, the resounding strike of stone against stone was probably a familiar one two million years ago. Ancient hominids chipped away to create simple tools: hammerstones ...

What does it mean to be human? For a long time, the answer seemed clear. Our species, Homo sapiens - with our complex thoughts and deep emotions - were the only true humans to ever walk the Earth.