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

As a Ph.D. student, I wanted to understand the evolution of individual differences in fruit fly behavior—the building blocks ...

A Crash Course In Human Evolution With Anthropologist Chris Stringer' What was the timeline of human evolution? What was our ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Ever since the space age, UFO sightings have been on the rise in the American Midwest, as sleepy rural towns look to the stars for some kind of Patricia Laffan figure to descend from the cosmos. In ...

"These lectures were delivered in New York, Sept. 18, 20, 22, 1876"--P. [1] (1st group). "On the study of biology" (p. 37-48) is described on p. 37 as "A lecture delivered on the occasion of an ...

A million-year-old human skull found in China suggests that our species, Homo sapiens, began to emerge at least half a million years earlier than we thought, researchers are claiming in a new study.