Lead exposure may have spelled evolutionary success for humans—and extinction for our ancient cousins—but other scientists ...

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

Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and steadily began to ...

When scientists found the skull, named Yunxian 2, they assumed it belonged to an earlier ancestor of ours, Homo erectus, the ...

Digital reconstruction of a crushed skull from an ancient human could rewrite the timeline of human evolution, according to ...

For decades, Paranthropus boisei, an early hominin that roamed eastern Africa a million years ago, was known for its gigantic ...

Lead is a powerful neurotoxin that disrupts the growth and function of both brain and body. There is no safe level of lead exposure, and even the smallest traces can impair memory, learning and ...

A recent study proposes a new paradigm for understanding the role of carrion in the subsistence of human populations ...

Ancient ankle bones of Ardipithecus ramidus reveal how early humans combined climbing and upright walking, reshaping the ...

Our brains evolved for complex thought and language - but the same genes that made us smarter may have increased mental illness risk.

Scientists find genetic mutation, millions of years ago. Oct. 12, 2011 — -- About three million years ago human predecessors embarked on a new course that would forever alter the evolution of our ...

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