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http://www.sciencenews.org/view/issue/id/8158
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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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January 27th, 2007
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Scientists have identified an area of the brain where damage seems to quickly halt a person's desire to smoke. (p. 51)
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A new imaging technique creates microscopic three-dimensional views of tissues within a patient's body and can update those images several times a second. (p. 51)
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The physical rewards of exercise derive not just from muscular exertion but also from a person's mind-set about exercise. (p. 52)
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Regular use of aspirin may prevent healthy adults from developing asthma. (p. 52)
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Flaunting a majestic tail over southern skies, Comet McNaught became in mid-January the brightest comet in more than 40 years. (p. 52)
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About 125 million years before the Wright Brothers took to the air with their biplane, a 1-meter-long dinosaur may have been swooping from tree to tree using the same arrangement of wings. (p. 53)
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A study in mice suggests that small amounts of carbon monoxide might alleviate symptoms of multiple sclerosis. (p. 53)
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A fungus that supposedly lets plants live in overheated soil turns out to work only if it's infected with a certain virus. (p. 54)
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As scientists work to unravel the secrets of mammalian hibernation, they're eyeing medical applications that could aid wounded soldiers, stroke victims, and transplant recipients, among others. (p. 56)
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Many common pollutants appear to be jeopardizing the survival of fish and other aquatic species by blunting their sense of smell. (p. 59)
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Scientists have taken a first read of the genetic sequence of the organism responsible for a sexually transmitted infection called trichomoniasis. (p. 61)
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Veterans grappling for decades with post-traumatic stress disorder have a greater risk of developing and dying from heart disease than do their peers who don't suffer from the stress ailment. (p. 61)
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Nonstick coatings on fry pans and microwave-popcorn bags can, when heated, release traces of potentially toxic perfluorinated chemicals. (p. 61)
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Carbon nanotubes can target tumors in mice. (p. 61)
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Astronomers have determined that Kepler's supernova, the last stellar explosion witnessed in our galaxy, belongs to the class known as type 1a. (p. 62)
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Astronomers have found the smallest galaxy yet recorded, about one-sixteenth the diameter of the Milky Way. (p. 62)
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Material shed by a dying star might give birth to planets. (p. 62)
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(p. 63)
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Planet Earth: An Illustrated History
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