All Stories by Science News
- Humans
Letters from the September 4, 2004, issue of Science News
Funny pages Horvath and Toffel’s comparison of the environmental impacts of the paper versus the electronic editions of the New York Times is a bit misleading (“Newspaper’s Footprint: Environmental toll of all the news that’s fit to print,” SN: 6/12/04, p. 374: Newspaper’s Footprint: Environmental toll of all the news that’s fit to print). A […]
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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.
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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/
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19454
I suggest that world maps with countries colored by some statistical feature often would be more useful if done on a cartogram that is a compromise between population and size of countries, rather than on a map with a simple Mercator projection. The problem of Earth’s curvature mentioned in the article would not seem to […]
- Humans
Letters from the August 28, 2004, issue of Science News
In spite of them? Evidently, death waits for no one, except in Belgium (“Death Waits for No One: Deferred demises take a couple of hits,” SN: 6/5/04, p. 356: Death Waits for No One: Deferred demises take a couple of hits). Around 40 years ago, Belgian doctors went on strike for 3 months. If I […]
- Humans
From the August 18, 1934, issue
The Great Dust Storm of 1934, preferred sleep position and handedness, and tensor theory applied to electrical machinery.
- Tech
Aerodynamics for Beginners
NASA’s Glenn Research Center offers an extensive online tutorial on the basics of aerodynamics. Aimed at elementary and high school teachers, the site provides lots of useful information and has slides and worksheets suitable for classroom use at various levels. Go to: http://www.grc.nasa.gov/WWW/K-12/airplane/bga.html
- Humans
Letters from the August 21, 2004, issue of Science News
Complex issue When cyanobacteria and plants transfer electrons photosynthetically, light is absorbed not by their photosynthetic proteins but by chlorophylls (“Protein Power: Solar cell produces electricity from spinach and bacterial proteins,” SN: 6/5/04, p. 355: Protein Power: Solar cell produces electricity from spinach and bacterial proteins). Some of these proteins indeed participate in electron flow, […]
- Humans
From the August 11, 1934, issue
Ruins of magnificent Assyrian palace uncovered, termites need fungus to thrive, and Homo sapiens thought to be 10 million years old.
- Math
Women in Mathematics
From Maria Gaetana Agnesi to Lai-Sang Young, these Web pages provide biographies of prominent women in mathematics. Prepared by students at Agnes Scott College in Atlanta, the biographical essays describe the achievements of women in a variety of mathematical fields. Some essays include portraits and other illustrations. Go to: http://www.agnesscott.edu/lriddle/women/Women.htm
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19453
I wonder if the growth rings appearing in dinosaur bones are analogous to those of trees, which are determined by the annual climatic cycle. Is it possible that the dinosaur rings were created on a different time cycle? James HendryFlorissant, Mo. Researchers say that they haven’t come up with another type of cycle that seems […]
