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http://www.sciencenews.org/view/issue/id/5583
November 6th, 2004
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Using radar to penetrate the thick haze surrounding Saturn's moon Titan, the Cassini spacecraft has found evidence that the moon's surface is coated with hydrocarbons and dark patches that might be lakes of ethane or methane. (p. 291)
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Nicotine halted the progression of severe sepsis in mice, suggesting a new avenue for treating this acute blood infection. (p. 291)
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When some poisonous New Guinea birds eat certain tiny beetles, they may be stocking up on the toxic substance they use to defend themselves. (p. 292)
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Pertussis, or whooping cough, appears to be rebounding in many age groups, causing long-lasting symptoms in adolescents and adults and threatening the lives of unvaccinated infants. (p. 292)
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Responding to growing concern over the disposal of electronic devices, scientists in Japan have created a lead-free piezoceramic that could replace the toxic components in many of these gadgets. (p. 293)
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A new technique supplies loose atoms for nanoscale experiments by using the tip of a scanning tunneling microscope to gouge out craters from a surface. (p. 293)
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Enhanced activity in an inner-brain structure called the hippocampus during sleep solidifies memories of recently visited places and the routes taken to get to them. (p. 294)
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A new look at fish on coral reefs considers the possibility that all that riotous color has its inconspicuous side. (p. 296)
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Metallic glasses with extraordinary strength and corrosion resistance have been known for decades, but only recently have researchers been able to make such alloys on a large scale from inexpensive iron. (p. 298)
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New fossil finds indicate that the so-called Irish elk, previously thought to have died out at the end of the last ice age, survived in some spots for several millennia more. (p. 301)
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An experimental malaria vaccine tested on children in Mozambique provides some protection against the potentially life-threatening disease. (p. 301)
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Intensive phonics instruction for adults with dyslexia yields brain changes that underlie their improved reading ability. (p. 301)
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People who develop a severe form of schizophrenia are strikingly likely to have been born in June or July, raising the possibility that seasonal influences on early brain development contribute to this disorder. (p. 301)
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The antiacne drug Accutane may decrease activity in a part of the brain that regulates mood. (p. 302)
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Breathing minuscule amounts of painkillers administered to patients in surgery may increase an anesthesiologist's risk of abusing prescription drugs. (p. 302)
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Sleep apnea may be a risk factor for attention-deficit hyperactivity disorder. (p. 302)
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High-fat diets decrease the ability of male rats to learn and remember. (p. 302)
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(p. 303)
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Book Review: Charles Darwin’s On the Origin of Species: A Graphic Adaptation
Review by Sid Perkins
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Review by Sid Perkins
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