Uncategorized
- Health & Medicine
Risk Factor: Genetic defect hikes breast cancer threat
A mutation already linked to several types of cancer doubles the risk of breast cancer in a woman and multiplies men's slight risk of the disease even more dramatically.
- Health & Medicine
Put Out to Pasture: Strategy to prolong antibiotics’ potency
The use of antibiotics to promote growth in farm animals hastens the end of their medical effectiveness.
- Health & Medicine
Shocking findings
Implanted defibrillators reduce the occurrence of sudden death by about a third among people who had previous heart attacks and continue to suffer impaired heart function.
- Earth
Smog’s ozone spawns funky carpet smells
Strange, unpleasant odors may emanate from carpets for years due to reactions caused by exposure to smoggy air.
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Whazzits get their own insect order
Insect specimens that have puzzled museum curators for decades turn out to represent a lineage so odd that scientists have named a new order just for them.
- Chemistry
Fluorine atoms used to cut nanotubes
Researchers have found that they can cut carbon nanotubes into short, potentially useful pieces using a technique for adding groups of atoms to nanotubes.
- Chemistry
Unlikely ion made in lab
Chemists have created a molecule—the pentamethylcyclopentadienyl cation—that many researchers thought was too unstable to exist long enough to be identified or studied.
- Animals
Rebranding the Hyena
Zoologists are hoping that long-term ecological studies of the spotted hyena will assist in dispelling the animal's undeservedly bad reputation.
- Health & Medicine
Mammograms on Trial
New controversy about old data has physicians, women, and policy analysts struggling to decide whether all women should be screened with mammography in order to reduce deaths due to breast cancer.
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From the April 23, 1932, issue
WELDING OFFERS CAMERA STRIKING FIELD OF BEAUTY By no means a trivial by-product of electric welding is the field of beauty the new art is opening up for photographers. While electricity eliminates the irritating staccato of noisy riveting, the photographer focuses his camera on a glowing scene of shadow and light, man and steel. Such […]
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Ant Patrol
With more than 11,000 ant species now identified worldwide, the “Antbase” Web site serves as the definitive guide to these social insects. Hosted by the American Museum of Natural History, the site provides links to a variety of resources devoted to ants, including databases, image collections, and news articles. Go to: http://research.amnh.org/entomology/social_insects/
- Astronomy
Strange Stars? Odd features hint at novel matter
Two stellar corpses thought to be made of neutrons may actually contain weird forms of matter never observed before.
