News
-
Health & MedicineCritical for Coating: Protein directs nerve-sheath construction
A protein produced by nerve cells is essential for the manufacture of myelin, the fatty sheath surrounding nerve fibers.
By Nathan Seppa -
***Notice to Subscribers in Areas Affected by Hurricane Katrina***
The U.S. Postal Service has asked magazine publishers to suspend subscription mailings to areas that were damaged by Hurricane Katrina. Science News subscribers in those areas won't be charged for issues that are withheld, and their subscriptions will be extended. Mailings will resume upon notification by the USPS that delivery is reinstated.
By Science News -
EarthCancer-fighting e-mails
A new federal service, offered jointly by the U.S. Environmental Protection Agency and the National Weather Service, will notify individuals, via e-mail, when the sun's cancer-causing ultraviolet radiation is forecast to be unusually high.
By Janet Raloff -
Health & MedicineRooting out hidden HIV
A drug called valproic acid, used in combination with other medications, can ferret out HIV that is lying dormant in cells.
By Nathan Seppa -
Planetary ScienceSatellites could detect quakes on Venus
Strong seismic activity on Venus could cause brief but detectable temperature increases high in that planet's atmosphere.
By Sid Perkins -
TechBody-fluid battery
A battery that's activated by body fluids such as saliva or urine may one day power devices ranging from disposable home health-care testing kits to emergency radio transmitters that turn on with a lick.
By Peter Weiss -
Health & MedicineProtein fingered in rare psychosis
A protein is pivotal in bringing on the psychotic attacks that beset people with porphyria, a rare inherited disease.
By Nathan Seppa -
AnimalsBumblebee 007: Bees can spy on others’ flower choices
Bumblebees that watched their neighbors feast on unusual flowers often later checked out the same kinds of blossoms themselves, a behavior that amounts to social learning.
By Susan Milius -
Health & MedicineA New Role for Statin Drugs? Cholesterol fighters may reduce deaths soon after heart attacks
Statin drugs given within 24 hours of a heart attack improve a patient's chance of surviving.
By Nathan Seppa -
TechWings warp for birdlike agility
An easily maneuverable, bird-size airplane whose wings can change shape in flight may be able to carry out a variety of assignments in tight spots.
By Peter Weiss -
ChemistryClass Acts from New Pesticides: Chemicals have little effect on mammals
Two new classes of selective pesticides immobilize and eventually kill many crop-damaging insects by interfering with a cell receptor unique to those pests.
By Ben Harder -
Materials ScienceFog Be Gone: Nanocoating clarifies the view
Scientists have created a nanocoating that prevents fogging and reflection on glass surfaces.