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http://www.sciencenews.org/view/issue/id/8685
July 7th, 2007
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A new chemical process offers hope that the thousands of tons of nylon thrown away every year could one day be recycled. (p. 3)
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Some male Australian crayfish fake out their rivals by brandishing claws that look impressive but have little strength. (p. 3)
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People allergic to dust mites, mold, grass, and other common irritants—but not to cats—still have greater breathing difficulties when they live around the animals. (p. 4)
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Autistic children and adults do better on a nonverbal test of abstract reasoning than they do on standard IQ tests, suggesting that their intelligence has been underestimated. (p. 4)
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Drugs based on soccer ball–shaped carbon molecules could one day help fight allergies. (p. 5)
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A ball plunges deeper into sand under atmospheric pressure than under a vacuum, because the presence of air allows sand to flow like a liquid. (p. 5)
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The widely used spermicide nonoxynol-9 may boost the infectiousness of human papillomavirus, mouse tests show. (p. 6)
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Schizophrenia strikes inhabitants of the Micronesian nation of Palau, especially the men, at an unusually high rate, raising questions about culture's role in a disease usually regarded as purely biological. (p. 8)
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Experimental treatments may activate the sense of smell in people who can detect few or no odors. (p. 10)
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Blind people recall strings of words better than sighted people do, perhaps because of their greater reliance on memory in dealing with the tasks of daily life. (p. 13)
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Icebergs carry nutrients from the land and shed them into the sea, nourishing life in the frigid waters near Antarctica. (p. 13)
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A gene that's active in the brain may help explain why emotional stress seems to increase a person's likelihood of getting Alzheimer's disease. (p. 13)
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Physicists have discovered the first particle containing one member of each of the three families of quarks. (p. 13)
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The flatworm that causes the tropical disease schistosomiasis may be vulnerable to drugs that neutralize an essential enzyme in the parasite. (p. 14)
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The oldest boys in families, including those who became oldest after the death of an earlier-born brother, have a slight IQ edge over their younger siblings. (p. 14)
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The smallest, most efficient laser yet represents a step toward speedier information transfer within computers. (p. 14)
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Infants who get several courses of antibiotics before their first birthdays are more likely to develop asthma later. (p. 14)
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(p. 15)
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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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