Uncategorized
- Health & Medicine
Vitamin E may curb colds in old folks
Vitamin E seems to help elderly people fend off colds.
- Tech
Sound power for deep-space travel beyond sun’s reach
An unusually efficient new type of power unit for spacecraft uses sound to convert heat to electricity.
- Tech
Ocean Envy
By mimicking the flippers of penguins, whales, and dolphins, engineers hope to make ocean vessels that are as maneuverable and efficient as the marine animals.
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19455
It wasn’t the news of polluting runoff that caught my attention in your article, but the startling statistic that the 3 million annual increase in the U.S. population costs $480 billion in construction costs alone. That’s $160,000 dollars for each added person! John BrooksLake Shastina, Calif.
- Earth
Paved Paradise?
The precipitation-fed runoff that spills from impervious surfaces such as buildings, roads, and parking lots in developed areas increases erosion in streams, wreaks ecological havoc there, and contributes to urban heat islands.
- Math
More Progressive Primes
The first sequence consisting of 23 prime numbers in arithmetic progression has been discovered.
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From the August 25, 1934, issue
Earrings from Oklahoma's mound builders, a bathysphere's record descent, and gamma rays for splitting atoms.
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Bone Biology
Susan Ott, a professor of medicine at the University of Washington, has created a Web site that provides information to physicians and others about bone physiology and osteoporosis. Topics include bone density, prevention and treatment of osteoporosis, and more. There’s also a special section for kids. Go to: http://courses.washington.edu/bonephys/
- Health & Medicine
Keeping Cells under Control: Enzyme suppression inhibits cancer spread
Shutting down an enzyme can slow the spread of cancer in mice.
- Earth
There’s a Catch: Recreation takes toll on marine fish
Recreational fishing isn't just a tiny, harmless nibble on saltwater-fish populations.
- Earth
North and South: Equal melting from each hemisphere raised ice age sea levels
The gargantuan volumes of meltwater that boosted sea levels during the most recent round of ice ages derived equally from ice sheets in the Northern and Southern Hemispheres.
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Ringing Out Despair: Phone therapy gets call as depression buster
Psychotherapy delivered over the telephone shows promise as a depression treatment when offered in conjunction with prescribed antidepressant medication.
