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http://www.sciencenews.org/view/issue/id/3341
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In This Issue
- It’s written all over your face: To potential mates, your mug may reveal more than you think
- Team spirit: Working together, bacteria and other microbes can accomplish much more than they can alone. Now scientists hope to harness that ability by engineering their own microbial consortia.
- For a big view of inner Earth, catch a few…Geoneutrinos
- This week's table of contents
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November 30th, 2002
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Astronomers welcomed the discovery of two black holes in one galaxy, which confirms some ideas about how galaxies and black holes merge and evolve. (p. 339)
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A novel way of converting computer programs into familiar-sounding music helps programmers locate errors in their code. (p. 339)
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A fresh look at old experimental data suggests that water droplets in clouds freeze from the outside inward rather than from their core outward. (p. 340)
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The first detailed effort to monitor the reactions of cigarette smokers as they carry out their daily activities finds that they feel neither better nor worse than at times when they don't begin smoking. (p. 340)
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An unusual study of the effects of invading earthworms on North American plants finds that the exotics might be on the way to killing off a rare fern. (p. 341)
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A person's risk of stomach cancer can depend on the genetics of both the individual and the bacterium Helicobacter pylori. (p. 341)
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Astronomers have for the first time taken an X-ray image of the Red Planet. (p. 342)
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A growing international cadre of scientists is exploring a simple strategy for controlling toxic algal blooms: flinging dirt to sweep the algae from the water. (p. 344)
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Chronic wasting disease, once just an obscure brain ailment of deer and elk in a small patch of the West, is turning up in new places and raising troubling questions about risks. (p. 346)
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Detailed analyses of Archaeoraptor, a forged fossil once thought to be a missing link between dinosaurs and birds, reveal that the majority of that fake comes from an ancient, fish-eating bird. (p. 349)
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Analyses of layered sediments from a South American lake suggest that the worldwide warm spells known as El Niños occurred more frequently about 1,200 years ago, when Europe was entering the Middle Ages, than they do today. (p. 349)
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Astronomers have discovered the remains of a tiny galaxy that was swallowed by the galaxy Centaurus A only a few hundred million years ago. (p. 349)
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A nationwide study in Denmark provides strong evidence that a childhood vaccine once blamed for some cases of autism plays no role in the development of that neurological disorder. (p. 349)
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A wire-making company has demonstrated a process that yields potentially inexpensive, high-current superconducting wires about 10 times longer than previous prototypes. (p. 350)
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For the first time, scientists have found detailed evidence than an animal—a hawkmoth—can see color by starlight. (p. 350)
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Federal agencies have completed the first national study of lead, pesticides, and allergens in U.S. child-care facilities. (p. 350)
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In the absence of a public water-fluoridation program in eastern Germany, natural background concentrations of fluoride in drinking water affect children’s dental health. (p. 350)
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Book Review: Food Bites: The Science of the Foods We Eat
Review by Dina Fine Maron
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Book Review: Don’t Sleep, There Are Snakes: Life and Language in the Amazonian Jungle
Review by Bruce Bower
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Planet Earth: An Illustrated History
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A photographic tribute to the glories of nature, including picturesque landscapes, stunning aer...
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