
Case Proved
Changes in science curriculums may actually take place

Case Proved
Changes in science curriculums may actually take place

Computerized Canaries
Wildlife monitoring provides an ecological early-warning system

Arctic Angst
No Arctic "ozone hole," but conditions could lead to one

Dirty Business
The Department of Energy still thinks it can clean up its mess

Unsuperconductivity
An unholey variant poses some crucial questions

Multiple Choice
Viral fingerprints are found in the blood of MS patients

Labeled Therapy
A gene-transfer experiment may improve a cancer treatment

Exercising Choice
Case (almost) closed: fitness does seem to prolong life

Future Imperfect
Concern about global climate percolates up to government

Back to the Bases
Watson slips into the driver's seat of the genome project

Preemptive Strike
The body can be made to see foreign cells as "self"

A Mild Alternative?
Government takes a new look at a coal-gasification process

Scientific Philanthropy
The Hughes legacy supports a booming research effort

Electronic Taskmasters
Does monitoring degrade the quality of working life?

Vapor Lock
Bubbles in Antarctic ice record carbon dioxide and climate

Aquatic Astronomy
Floating telescope may solve some mounting problems

One-Stop Medicine
More and more physicians sell prescription drugs

Stimulating Recovery
Wound healing is a promising field for biotechnology

Hope for Blighted Bays
The reduction of nitrogen inflow may benefit coastal waters

Back to the Future
A new concept may restore propellers to large jet airliners

Skin of Frog ...
A newly revealed defense has a potent effect against microbes

Torn Genes
Evidence mounts that defective or absent genes promote tumors

Sonic Punch
Dolphins and whales generate bangs that may stun prey

Getting Warmer
Research in superconductivity posts more remarkable advances