An analysis of squash seeds and other table scraps dug up in a Mexican cave suggests that people in the Americas gave up hunting and gathering for farming at least 8000 years ago--centuries earlier than previously thought.
UTRECHT, THE NETHERLANDS--In the quest to image ever-fainter and more ancient galaxies, Dutch radio astronomers this week unveiled preliminary plans to build the world's largest radio telescope--a gargantuan device that would combine images from 34 far-flung elements
On this day in 1984, virologist Robert Gallo and his co-workers at the U.S. National Institutes of Health published four groundbreaking papers in Science in which they provided persuasive evidence that AIDS is caused by a retrovirus.
CAMBRIDGE, MASSACHUSETTS--An unusual new consortium of companies has inked a 5-year, $40 million deal with Eric Lander, a gene mapper at the Whitehead Institute for Biomedical Research and the Massachusetts Institute of Technology (MIT), to develop new techniques in
This month marks the 150th anniversary of the lecture in which English physicist James Prescott Joule announced his profound discovery of how heat given off by one source is absorbed by another and never lost from a system.
For nearly a decade, a cloud of suspicion has hung over the idea that fluctuations in Earth's orbit triggered the ice ages. But now scientists have developed a way to double-check their dates for the corals and other deposits that hold clues to ancient climate change.
WASHINGTON, D.C.--National Science Foundation director Neal Lane announced here yesterday the 1997 recipients of the National Medal of Science, the nation's highest scientific honor. Also announced were winners of the National Medal of Technology.
The so-called "diseases of affluence"--heart attack, stroke, and cancer--are far more important in the developing world than is generally appreciated, according to a landmark epidemiology study published in Saturday's issue of The Lancet.
Doomed to die on unfamiliar islands, small populations of lizards have defied the experts and adapted to their new homes by undergoing the kind of body changes that could in time transform each island's population into a separate species.