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http://www.sciencenews.org/view/issue/id/6739
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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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November 5th, 2005
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Astronomers using the Hubble Space Telescope have spied two tiny moons orbiting Pluto, giving this planet a total of three satellites. (p. 291)
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People who have dyspnea, the sensation of being frequently out of breath, may have an increased risk of dying from heart problems. (p. 291)
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A novel silicon microchip device slows and varies light-pulse speeds—a function considered critical for the development of photonic circuits based on light instead of electrons. (p. 292)
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Studies conducted in the United States, Germany, and England indicate that two genes, both located on chromosome 6 and involved in orchestrating neural migration in developing brains, contribute to the severe learning disorder known as dyslexia. (p. 292)
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Male mice may serenade prospective mates at pitches about two octaves higher than the shrillest sounds audible to the human ear. With Audio. (p. 293)
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Researchers have found that infusing plastics with a network of carbon nanotubes reduces their flammability. (p. 293)
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Although scientists have known for years that major volcanic eruptions can temporarily cool Earth's climate, a team now suggests that such outbursts can temporarily cause sea level to drop for a while as well. (p. 294)
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Scientists are moving closer to constructing superefficient, noisefree data-transmission codes. (p. 296)
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A new policy statement on evidence-based practice from the American Psychological Association illustrates the intense struggle among researchers and clinicians over how best to study the effectiveness of psychotherapy in its many forms. (p. 299)
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Gravity Probe B has finished its test of general relativity but results of the study won't be known for another year. (p. 302)
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New laboratory experiments suggest that chimpanzees, unlike people, don't care about the welfare of unrelated members of their social groups. (p. 302)
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Using machines that identify component parts of gases, scientists can now detect markers of a dangerous fungal infection in the lungs of people just by analyzing their breath. (p. 302)
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A long-term study of children with a rare chromosome deletion indicates that those who have a single copy of a gene that promotes a dopamine overload in the brain have an above-average risk of developing schizophrenia later in life. (p. 302)
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(p. 303)
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