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http://www.sciencenews.org/view/issue/id/6650
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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 8th, 2005
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A hieroglyphic-covered stone panel discovered at an ancient Maya site in Guatemala last April adds weight to suspicions that the settlement was Site Q, an enigmatic city about which researchers have long speculated. (p. 227)
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Two new studies shed light on the 1918-flu virus by wrapping up efforts to sequence its genome and reconstructing its genes into a living model. (p. 227)
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Researchers have developed a noninvasive imaging technique that lets them see deep inside a microchip. (p. 228)
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The first close-up portrait of Saturn's icy moon Hyperion reveals a spongy-looking surface unlike that of any other known moon. (p. 228)
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The 2005 Nobel prizes in the sciences honor a gutsy move, optical brilliance, and chemical crossovers. (p. 229)
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A new mathematical model of the Internet shows that it may not be as vulnerable to centralized attacks as previous research suggested. (p. 230)
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Men develop lower sperm counts and produce more sperm with fragmented DNA when the air has higher levels of ozone and other pollutants. (p. 230)
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As a result of three U.S. Supreme Court decisions in the 1990s, people who sue for redress from injury are now less likely to have scientific or medical evidence concerning that injury reach a jury. (p. 232)
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Baby galaxies that hail from the early history of the cosmos but are full of old stars and are nearly as massive as the Milky Way is today may challenge the standard theory of galaxy formation. (p. 235)
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A transistor that doubles as a laser can now operate at room temperature, bringing it to the verge of practical applications. (p. 237)
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Rather than turning off completely during sleep, the brain shuts down communication among structures that make up neural networks. (p. 237)
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Planetary scientists have determined that the cavalcade of space debris that hammered the inner solar system for the first 700 million years of its existence were main-belt asteroids, not comets. (p. 237)
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A highly contagious influenza virus that has killed greyhounds and sickened other dogs may have first jumped to canines from a single infected horse. (p. 237)
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Medical researchers have designed a new lancet that dramatically reduces the pain experienced by lab mice during blood-sampling procedures. (p. 238)
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Houston medical schools opened their facilities to a sister institution in New Orleans whose faculty and students were sent into exile by Hurricane Katrina's floodwaters. (p. 238)
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Men with naturally high testosterone levels face an elevated risk of prostate cancer, suggesting that men who use hormone supplements to combat age-related problems could also be in trouble. (p. 238)
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Researchers have demonstrated that individual nanotubes, decorated with DNA, can rapidly detect a number of gases. (p. 238)
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