- :: Atom & Cosmos
- :: Body & Brain
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- :: Science News For Kids
http://www.sciencenews.org/view/issue/id/59966
In the February 25 Issue:
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June 19th, 2010
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An epidemiological study of a link between cell phone usage and brain cancer proved inconclusive. (p. 13)
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Cannabis compounds show their stuff against a host of medical problems, relieving symptoms far beyond pain and nausea. (p. 16)
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Studying sea ice close-up may improve climate models (p. 22)
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Physicists keep trying to explain why time flows one way (p. 26)
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More resources about how physicists and philosophers understand time (p. 26)
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Cells switch species when given synthetic DNA, an advance that could lead to designer organisms. (p. 5)
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Back Story: Cracking the code (p. 6)
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A larger-than-expected imbalance could presage major physics breakthroughs. (p. 8)
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A new study has shoved aside the idea that supermassive black holes always reside smack-dab at the centers of their host galaxies. (p. 9)
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An infrared spacecraft has captured a penetrating view of two dusty nebulae about 6,000 light-years from Earth. (p. 9)
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A new study suggests that children don’t recognize facial expressions of disgust until age 5, much later than many researchers had assumed. (p. 10)
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Kids who get bullied a lot can develop serious emotional problems, especially if they possess a certain gene. (p. 10)
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Researchers analyze movie sound tracks to identify the acoustic roots of fear. (p. 11)
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A controversial new investigation suggests that the ancient hominid lived on savannas, not in forests. (p. 10)
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Magnetic fields generated by real bolts could trigger visual effects in the brain. (p. 12)
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Factoring in quantum coherence could increase efficiency of harnessing sunlight in photovoltaic cells. (p. 12)
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Wives and husbands who attend to mates have greater chance of developing problems themselves, a new study finds. (p. 13)
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Male topi antelopes lie about predators to keep the ladies nearby. (p. 14)
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The octopus relatives create their own buoyancy devices by gulping and hoarding air from the surface. (p. 14)
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Government scientists link colony collapse disorder to mix of fungal and viral infections. (p. 15)
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Microbial communication signals partially block skin cells from closing a cut. (p. 15)
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Review by Tom Siegfried (p. 30)
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Review by Sid Perkins (p. 30)
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