Conservation scientists are racing against time, as hundreds of animal and plant species edge closer to extinction each year ...

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

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

A remarkable 151-million-year-old fly fossil found in China is changing our view of insect evolution. This ancient insect, ...

A new platform combines rational protein design with continuous evolution to discover functional molecules more efficiently. In medicine and biotechnology, the ability to evolve proteins with new or ...

Reporters from across the United States flocked to eastern Tennessee in July 1925. In the small town of Dayton, biology teacher John Scopes went on trial for the crime of teaching human evolution.

A need for a time scale -- First principles -- Attemps at division -- Darwin's contribution: organic evolution through natural selection -- A maelstrom of opinions -- Growth and development of the ...