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

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

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

When we think of lead poisoning, most of us imagine modern human-made pollution, paint, old pipes, or exhaust fumes.

From Australopithecus to Homo sapiens, this video explores how humans evolved across millions of years of adaptation, ...

Modern humans are evolutionary survivors, thriving generation after generation while our ancient relatives died out. Now, new research into our brain chemistry suggests that an enzyme unique to Homo ...