Our editors become Cyber Santas to locate the perfect gift on the 'Net
Advanced computer technology will guide surgeons' eyes and steady their hands
The research ship Atlantis and her companion submersible, Alvin, explore the strange world of an undersea volcanic ridge
An ornithologist discovers a curious new species high in the Ecuadorian Andes
Can the economic forces driving the ancient source of caviar to extinction be stopped? It may already be too late
On April 29, 1998, astronauts aboard the space shuttle Columbia snapped this picture of the New York metropolitan area. This, and other, amazingly clear images were made as the shuttle Columbia swept around the Earth once every 90 minutes in an orbit that varied from 154 to 137 nautical miles in altitude...
Golden Lion Tamarins released from zoo breeding efforts don't fare well--but their offspring do better
Biochemical systems can produce changes in an animal's shape that appear to be genetic
Bruce Hecker, director of husbandry at the South Carolina Aquarium in Charleston, S.C., provides an answer that gives new meaning to the expression "half asleep."
Could antibacterial soaps lead to resistant strains?
Anthropologists debunk another myth of evolutionary progress
A new exhibit makes the case for the value of biodiversity