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http://www.sciencenews.org/view/issue/id/7859
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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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October 21st, 2006
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A study of more than 700 families with children diagnosed with autism has identified a gene variant, already known to affect brain formation, that boosts a person's chances of developing this severe disorder. (p. 259)
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A group of dung beetle species that sprout elaborate horns often face trade-offs between horn and testes sizes. (p. 259)
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The first high-resolution images sent by the Mars Reconnaissance Orbiter support the notion that water once flowed across much of the Red Planet. (p. 260)
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A team of nuclear chemists from the United States and Russia have announced the brief reappearance of element 118. (p. 260)
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The crocodile's ability to direct oxygen-depleted blood to its stomach may be instrumental in digesting large, bony meals. (p. 260)
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The first functional invisibility cloak, which operates at microwave frequencies, has emerged from the laboratory. (p. 261)
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New findings suggest that a small galaxy recently plunged into Andromeda, opening a new window on collisions that are rare today but were common in the early universe. (p. 261)
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Giving people a vaccine against an existing form of avian influenza might help them respond better when given a shot for a future strain of the virus during a pandemic. (p. 262)
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With the sun poised behind Saturn, the Cassini spacecraft recently got a unique view of the rings' icy dust particles, enabling it to discover two new rings and confirm the presence of two ringlets. (p. 263)
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Two new books present scathing critiques of string theory, which holds that the universe has 11 dimensions and that its fundamental building blocks are ultratiny loops of energy known as strings. (p. 264)
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A remarkable geometric shape made up of a sequence of triangles leads to a host of intriguing forms and mobile structures. (p. 266)
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Looking ever deeper into space and farther back in time, astronomers have found a galaxy more distant than any other known in the universe. (p. 269)
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Suppressing stomach acid while taking antibiotics may allow drug-resistant bacteria to colonize the intestines. (p. 269)
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In people with genital herpes, the drug famciclovir sharply reduces virus shedding from the genitalia. (p. 269)
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Sudden verbal insights arise from distinct brain operations that focus attention and facilitate access to word knowledge. (p. 269)
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Species in richly diverse tropics don't evolve faster than do species in temperate zones. (p. 270)
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Fully matured cells can be used to clone animals. (p. 270)
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Pesticide-containing waters leave frogs more susceptible to fungal infections than pristine environments do. (p. 270)
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The size to which insects grow is limited by their need to route oxygen to tissues in their legs. (p. 270)
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(p. 271)
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