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 ...

Scientists digitally reconstructed the fossilized skull, which is between 940,000 and 1.1 million years old, to aid their research A human skull found in 1990 is now changing scientists' understanding ...

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

Scientists have uncovered new evidence suggesting that autism may have it roots in how the human brain has evolved. "Our results suggest that some of the same genetic changes that make the human brain ...

Autism spectrum disorder (ASD) may be the result of millions of years of evolution. Rapid neuronal evolution in humans is likely ASD’s genetic cause, new research suggests. Though autism can cause ...

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

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 ...