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http://www.sciencenews.org/view/issue/id/6263
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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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June 11th, 2005
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A type of genetic molecule known as microRNA can regulate gene activation and, in some cases, accelerate cancer growth. (p. 371)
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Dolphins that carry sponges on their beaks while looking for food may have learned the trick from their mothers instead of just inheriting a sponge-use gene. (p. 371)
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Nearly half of all adults in the United States develop at least one mental disorder at some time in their lives, although most cases aren't serious enough to require treatment. (p. 372)
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A new infrared portrait of the Carina nebula star-forming region shows a clutch of baby stars tucked inside pillars of thick dust. (p. 372)
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An inheritable gene variation may increase susceptibility to lumbar-disk disease. (p. 373)
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Using satellite observations of Earth's magnetic field, scientists can estimate the amount of heat flowing upward through Earth's surface under kilometers-thick ice. (p. 373)
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Portable electronic devices such as laptops and MP3 players could soon run on miniature fuel cells that consume propane. (p. 374)
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African peanut farmers can more than halve their exposure to a class of harmful fungal toxins called aflatoxins by adopting several simple measures after harvest. (p. 374)
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Looking for a long-lost woodpecker had its special challenges, including anticipating what would happen if the hunt actually succeeded. (p. 376)
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A controversial fossil analysis supports the view that, more than 3 million years ago, human ancestors living in eastern Africa favored long-term mating partnerships. (p. 379)
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Saturn's outlier moon Phoebe didn't coalesce from material near the ringed planet but was captured from the distant Kuiper belt. (p. 381)
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A high-speed camera has revealed the explosive pollen launches of bunchberry dogwood flowers as the fastest plant motion known. (p. 381)
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Conditions known to hasten diabetes in people may also speed aging. (p. 381)
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Hurricanes can drop enormous amounts of precipitation in a short amount of time, a phenomenon that residents of Puerto Rico experienced in spades when Hurricane Georges struck the island in 1998. (p. 382)
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As Hurricane Ivan approached the U.S. Gulf Coast last September, sensors detected the largest wave ever measured by instruments. (p. 382)
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By examining geographic patterns of outbreaks of a disfiguring skin disease in tropical nations, scientists are finding tentative clues about how the ailment spreads. (p. 382)
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The small, random, and nearly constant seismic waves that travel in all directions through Earth's crust can be used to make ultrasoundlike images of geologic features within the crust. (p. 382)
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(p. 383)
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A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
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