Uncategorized
- Plants
Petite pollinators: Tree raises its own crop of couriers
A common tropical tree creates farms in its buds, where it raises its own work force of tiny pollinators.
- Astronomy
Supernova dealt deaths on Earth? Stellar blasts may have killed ancient marine life
The explosion of nearby supernova may have caused the widespread extinction of marine life on Earth 2 million years ago.
- Chemistry
Viral parts: Chemists convert virus into nanoscale tool
Researchers are decorating viruses with a variety of molecules, making the microbes into potential building blocks in electronic circuits and new materials, as well as tools in biomedical therapies.
- Health & Medicine
Ominous signals: Genes may identify the worst breast cancers
By using a technology that reveals patterns of gene activity in tumor cells, researchers can detect breast cancers that are likely to spread and become deadly.
- Health & Medicine
Drink and thrive: Moderate alcohol use reduces dementia risk
Alcohol appears to reduce aging drinkers' risk of developing Alzheimer's disease and other forms of age-related dementia.
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18991
Maybe this article would be better titled “Don’t think and thrive.” As other reports tie stress to depressed immune function, any stress reduction (including intoxicant use) is expected to offer benefits in disease. Because ethanol use is already culturally ubiquitous, often with negative effects, outcome-oriented research serves the purpose of alcohol’s producers. Stephen DilibertoMiami, Okla.
- Ecosystems
Genetic lynx: North American lynx make one huge family
A new study of lynx in North America suggests the animals interbreed widely, sometimes with populations thousands of kilometers away.
- Astronomy
Some new stars in the neighborhood
As part of an ongoing survey of faint stars in the southern skies, astronomers have discovered 12 previously unknown stars that lie within a mere 33 light-years of Earth.
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From the January 30, 1932, issue
MONTE ALBAN TREASURE MAY SET JEWELRY STYLE The proud inhabitants of Oaxaca, in whose vicinity the Mixtec treasure tomb was found, think they are going to set the worlds jewelry styles. A casual glance at the ornaments and trinkets reveals that archaeology has already influenced modern jewelers. One of the most beautiful objects found in […]
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Virus Picture Book
If you’re interested in biological viruses, a good place to start is the “Big Picture Book of Viruses.” Founded by Robert F. Garry of the Tulane University School of Medicine, this Web site serves as a catalog of virus images on the Internet and provides links to tutorials, Web courses, and many other resources devoted […]
- Earth
Biotech-crop laws were big in 2001
Twenty-two state legislatures passed bills in 2001 addressing agricultural biotechnology, which concerns the development of genetically modified crops.
- Physics
Balloon bursts give clue to fast cracks
A casual observation about the edges of popped balloons may have led researchers to previously unknown features of the most common and least understood types of fractures.
