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http://www.sciencenews.org/view/issue/id/5082
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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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June 5th, 2004
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Astronomers have found signs of what may be the youngest planet known, plus the first signs ever of organic compounds in a region of dust that could evolve into a planet-forming region. (p. 355)
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Researchers have fabricated a solar cell that uses photosynthetic proteins to convert light into electricity. (p. 355)
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Experiments suggest that lightbulbs with filaments made from carbon nanotubes outshine conventional bulbs. (p. 356)
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Two new reports challenge the idea that elderly people suffering from serious physical illnesses can prolong their lives just long enough to experience a personally meaningful event. (p. 356)
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A powerful earthquake that struck central Alaska on Nov. 3, 2002, changed the eruption schedule of some geysers in Wyoming's Yellowstone National Park, more than 3,100 kilometers away. (p. 357)
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Women who smoke are no more susceptible to lung cancer than are male smokers. (p. 357)
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Satellite monitoring of leatherback turtles in the Atlantic show that these animals range widely instead of sticking to "turtle corridors." (p. 358)
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A protein in milk stimulates bone-forming cells. (p. 358)
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Coastal dead zones—underwater regions where oxygen concentrations are too low for fish to survive—are mushrooming globally, threatening to transform entire ecosystems. (p. 360)
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Once researchers figure out how to spin strong fibers out of carbon nanotubes, real-world applications such as long-distance power-transmission cables, lightweight aircraft materials, and electronic textiles become feasible. (p. 363)
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Astronomers have discovered an asteroid that takes only 6 months to go around the sun. (p. 365)
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Feeding a newborn baby breast milk instead of formula during the first month of life improves the child's cholesterol readings later on. (p. 365)
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An analysis of weather patterns around Mount Everest in May 1996, when eight climbers died, suggests that a sudden drop in barometric pressure may have played a significant role in the deaths. (p. 366)
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Field tests suggest that people who live in areas with arsenic-tainted aquifers may be able to purify their drinking water by passing it through a low-tech, low-cost filter that includes a bed of iron nails. (p. 366)
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Spacecraft throughout the solar system have detected material spewed into space by a group of huge solar flares late last year. (p. 366)
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(p. 367)
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