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http://www.sciencenews.org/view/issue/id/4101
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In the December 5 Issue:
- TABLE OF CONTENTS
- Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
- Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
- Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance
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August 2nd, 2003
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Astronomers have found new evidence that a mysterious substance, dubbed dark energy, is ripping the cosmos apart, causing the universe to expand at an ever-faster rate. (p. 67)
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New research helps explain why state-of-the-art sewage treatment facilities are more effective than conventional plants at removing certain sex hormones from sludge. (p. 67)
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A new way to simulate turbulence by including some of the microscopic, molecular properties of fluids is influencing automobile design and may soon affect many other fields. (p. 68)
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The enzyme Pin1 prevents brain cells from developing harmful protein deposits called tangles. (p. 68)
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New analyses of the jaws of marine worms may lead scientists to better ways of making synthetic materials. (p. 69)
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A thymus tissue transplant enables babies born with DiGeorge syndrome to develop functional immune systems. (p. 69)
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A gene known as ACTN3 may influence whether athletes are better suited to sprinting or to endurance running. (p. 70)
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Studies have begun showing subtle but substantial harmful effects in outwardly healthy people who regularly breathe hazy air. (p. 72)
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The genes and hormonal signals that regulate life span in worms may do the same in people. (p. 75)
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Black grease that athletes smear under their eyes to control the glare of the sun really helps them discern contrast; what's more, it works better than black tape, a newer antiglare aid. (p. 77)
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A toxin produced by the anthrax bacterium suppresses cells that launch the body's immune response. (p. 77)
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The little reef fish that nibble parasites off bigger fish that stop by for service actually prefer to nibble the customers. (p. 78)
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When a female Japanese quail watches two males clash, she tends to prefer the loser. (p. 78)
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Changing the toys in a parrot's cage may ease the bird's tendency to fear new things. (p. 78)
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Just the smell of an invasive species of gecko suppresses egg laying and subdues aggression in a resident. (p. 78)
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