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http://www.sciencenews.org/view/issue/id/7350
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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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May 20th, 2006
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A newly recognized compound can wipe out some of the most troublesome antibiotic-resistant bacteria, lab tests show. (p. 307)
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Gamma-ray bursts are likely to occur in the Milky Way. (p. 307)
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Researchers have discovered that gold can take the shape of nanoscale, hollow cages. (p. 308)
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A controversial new genetic comparison suggests that human and chimpanzee ancestors interbred for several million years before evolving into reproductively separate species no more than 6.3 million years ago. (p. 308)
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A scrub jay storing food takes note of any other jay that watches it and later defends the hoard accordingly. (p. 309)
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A protein recently isolated from white blood cells could offer a new way to repair nerve cells damaged by injury or disease. (p. 309)
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High school students from 47 countries gathered in Indianapolis last week to compete for scholarships and other prizes in the 2006 Intel International Science and Engineering Fair. (p. 310)
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Genetics research, work with stem cells, and studies of the inner ear's delicate architecture suggest that it might be possible to restore cells pivotal to hearing. (p. 311)
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Indoor lighting is undergoing a dramatic metamorphosis toward energy-conserving systems that rely on solid-state technologies. (p. 314)
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A new National Academy of Sciences study joins the chorus of critics that claim NASA is overextended, sacrificing basic- science research in order to finish building the International Space Station and fund President Bush's plan to return astronauts to the moon. (p. 317)
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The way farmers grow transgenic cotton in Arizona lets them skip some of their regular spraying but end up with the same yield as traditional farmers, as well as the same impact on ants and beetles. (p. 317)
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Researchers have pinned down the class of natural compounds in grapefruit juice that's responsible for its unwanted chemical interaction with many drugs. (p. 317)
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Although roads are getting safer in many developed countries, traffic accidents are a rising and underestimated killer worldwide. (p. 317)
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A new humanmade version of an insect's compound eye could perform like the real thing. (p. 318)
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A certain tumor-suppressing gene appears to also control development in immature animals. (p. 318)
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Oceanographic surveys suggest that China's Three Gorges Dam is already influencing biological productivity in the East China Sea, even though the structure is still under construction. (p. 318)
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Fossils recently found in southwestern China may be of a lineage that originated long before the Cambrian explosion of biodiversity, when most major groups of animals first appeared in the fossil record. (p. 318)
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(p. 319)
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