Sudden Cardiac Death
The heart can stop pumping virtually without warning. Immediate aid, provided either by emergency medical service personnel or by trained bystanders, can mean the difference between life and death...
Features
Glycosphingolipids
The composition of these membrane molecules changes dramatically with cell differentiation and the onset of cancer. Exploiting such changes could lead to improved diagnosis and treatment of cancer...
The Climate of Mars
It started out much like the earth's early climate, but it evolved. differently. Once warm enough to support flowing water, Mars is now so cold that carbon dioxide freezes at the poles every winter...
Aqueous Foams
They now have a wealth of uses, of which some are surprising. Yet the ability of a water-based liquid to become a frothy mass of bubbles requires a balance of forces not entirely understood...
The Cheetah in Genetic Peril
The world's fastest land animal is in a race for continued survival. An ancient population bottleneck has resulted in genetic uniformity and has made the species extremely vulnerable to ecological change...
Superconducting Tunnel Detectors in Radio Astronomy
A sensitive new radiation detector enables astronomers to explore regions of the universe hidden from optical telescopes, such as sites where stars are now being born
Postglacial Foraging in the Forests of Europe
Hunting-and-gathering is often thought of as little more than the prelude to agriculture. A reevaluation suggests it was a parallel development that was as productive as early farming in some areas...
Darwin as a Geologist
He tends to be viewed now as a biologist, but in his five years on the Beagle his main work was geology, and he saw himself as a geologist. His work contributed significantly to the field...
Departments
50 and 100 Years Ago: May 1986
Science and the Citizen, May 1986
- Letters
Letters to the Editors, May 1986
- Amateur Scientist
The Amateur Scientist, May 1986
- Departments
The Authors, May 1986
Computer Recreations, May 1986
Books, May 1986
Bibliography, May 1986
