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http://www.sciencenews.org/view/issue/id/5424
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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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September 18th, 2004
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A faint point of red light may be the first picture ever taken of a planet outside the solar system. (p. 179)
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Maternal depression critically contributes to malnutrition-related health problems among infants in rural Pakistan. (p. 179)
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In an advance toward making superstrong fibers, chemists have synthesized a 4-centimeter-long carbon nanotube, the longest nanotube reported to date. (p. 180)
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A new study suggests that the common fruit fly has cells that function much as those in the human pancreas do. (p. 180)
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Using membranes taken from the inside of the mouth, researchers have fashioned transplants that act as replacement outer layers for corneas in people with damaged vision. (p. 181)
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For the first time among amphibians, scientists have found frogs that sneak their sperm onto egg clutches left by another mating pair. (p. 181)
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Scientists have identified a gene mutation that appears to cause the motor impairment that occurs in a rare disorder called Joubert syndrome. (p. 182)
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Neandertals possessed much the same mental capacity as ancient people did, but a genetically inspired memory boost toward the end of the Stone Age may have allowed Homo sapiens to prosper while Neandertals died out. (p. 183)
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By creating tiny clouds of remarkable new kinds of ultracold gases, physicists are, in essence, bringing to their lab benches chunks of some of the most extraordinary and hard-to-study matter in the universe. (p. 186)
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A rare instance in which brain damage caused a woman to lose the ability to dream may help scientists understand the neural basis of dreaming. (p. 189)
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Measuring trace amounts of beryllium in two elderly stars, astronomers have found additional evidence that the first stars in the universe formed less than 200 million years after the Big Bang. (p. 189)
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People who receive liver transplants for hepatitis C infections fare about as well as people getting such transplants for other diseases. (p. 189)
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A new analysis of a 6-million-year-old leg fossil from a member of the human evolutionary family indicates that this individual walked upright with nearly the same deftness as people today do. (p. 189)
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Scientists are trying to salvage the fragile samples of the solar wind collected by the Genesis spacecraft, which crashed to Earth on Sept. 8 after its parachutes failed to open. (p. 190)
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When all else fails for pollination, a Chinese herb in the ginger family resorts to something botanists say they haven't seen before: a do-it-yourself oil slick. (p. 190)
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Spending leisure time amid greenery rather than in built-up environments appears to improve behavior in children with attention-deficit hyperactivity disorder. (p. 190)
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Staphylococcus bacteria prefer to get their iron from heme, the ring-shaped portion of oxygen-carrying proteins such as hemoglobin. (p. 190)
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(p. 191)
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