Uncategorized
- Tech
Body-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.
- Health & Medicine
Protein fingered in rare psychosis
A protein is pivotal in bringing on the psychotic attacks that beset people with porphyria, a rare inherited disease.
- Health & Medicine
When Flu Flies the Coop
Scientists are tracking the spread of a threatening influenza virus in birds and exploring strategies that could be used to halt a potential outbreak in people before it explodes into a global epidemic.
- Astronomy
Deep Impact
Data from the Deep Impact mission reveal that the bullet that slammed into Comet Tempel 1 on July 4 excavated material that likely hadn't seen the light of day since the birth of the solar system 4.5 billion years ago.
- Math
Fermat’s Natural Spirals
Using points to trace out spirals produces intriguing secondary patterns.
- Earth
Changing Earth
Developed by the Smithsonian Institution’s National Museum of Natural History, this Web site focuses on Earth’s history. Visitors learn basic concepts of geological processes and evolution as well as gain a deeper understanding of how and why Earth changes and the impact of these changes on living organisms throughout its history. The site includes a […]
- Humans
From the August 31, 1935, issue
A turtle's trusty armor, a new growth stimulator, and the science of making cranberry jelly.
- Animals
Bumblebee 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.
- Health & Medicine
A 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.
- Tech
Wings 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.
- Chemistry
Class 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.
- Materials Science
Fog Be Gone: Nanocoating clarifies the view
Scientists have created a nanocoating that prevents fogging and reflection on glass surfaces.
