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http://www.sciencenews.org/view/issue/id/43188
In the March 27 Issue:
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May 9th, 2009
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How bees, ants and other animals avoid dumb collective decisions (p. 16)
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It may be no tall tale: A few inches taller or shorter could signal a risk for some diseases (p. 22)
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From green leaves to bird brains, biological systems may exploit quantum phenomena (p. 26)
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Variation underlies the Callery pear tree’s transformation . (p. 5)
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Bold flycatchers may be more likely than shy birds to get trapped for lab studies. (p. 8)
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Ancient ocean-dwelling arthropods may have worn shells to enable their transition to land. (p. 8)
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Nocturnal animals orient DNA in retinal cells to focus light. (p. 9)
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Panther chameleons may regulate their vitamin D levels by lounging in the sun. (p. 9)
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Brown fat is active in adult humans and could help keep people lean. (p. 10)
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Heartburn drugs called proton pump inhibitors, commonly prescribed for asthma patients, don’t prevent breathing attacks. (p. 10)
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Episodes of low blood sugar that require medical attention seem to increase a person’s risk of developing dementia in old age, a study in people with type 2 diabetes shows. (p. 11)
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Researchers have proposed a model that would allow sensors to send and receive information virtually undetected. (p. 12)
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Erasing and stenciling could refine tiny printing for sculpting nano-sized devices. (p. 12)
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In simulations, tiny loophole allows colliding nanoclusters to increase speed after impact. (p. 13)
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Researchers point to the early ocean's concentration of nickel as the possible start for events that allowed Earth's atmosphere to accumulate oxygen. (p. 14)
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Ocean’s ice cap is smaller than long-term average and thinnest yet as melt season begins. (p. 14)
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Distance between orbiting STEREO craft allows better imaging of coronal mass ejections. (p. 15)
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(p. 30)
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(p. 30)
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Review by Josh Korenblat (p. 30)
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(p. 32)
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Book Review: Crazy Like Us: The Globalization of the American Psyche
Review by Bruce Bower
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Review by Bruce Bower
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