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http://www.sciencenews.org/view/issue/id/8572
June 2nd, 2007
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An extraterrestrial object apparently exploded above Canada about 12,900 years ago, sparking devastating wildfires and triggering a millennium-long cold spell. (p. 339)
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A fetus can manufacture immune cells and antibodies in direct response to vaccine given to the mother during pregnancy. (p. 339)
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By throwing their bodies into tiny potholes on rough trails, army ants enable their comrade to race over them, improving the colony's overall foraging success. (p. 340)
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Subtle features in X-ray images of tumors let radiologists infer which genes are active in the cancerous growth. (p. 341)
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Chemicals that prevent grease from seeping through food packaging can transform into a suspected carcinogen. (p. 341)
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Kindergartners can solve relatively complex addition and subtraction problems if allowed to use their intuitive grasp of approximate quantities rather than being required to calculate exact solutions. (p. 341)
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Novel circuits use electrons as tiny bar magnets to process information. (p. 342)
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Sensors and other electronic devices that can scavenge energy could open a new realm for technology. (p. 344)
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The health of corals, and their adaptability in the face of adversity, may rest largely on the microbes they recruit into a slime that coats their surfaces. (p. 346)
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Insulin-producing cells in the pancreas proliferate by cell division, unlike other body tissues, which regenerate from adult stem cells. (p. 350)
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The action of Saturn's gravity is responsible for plumes of water vapor shooting out from cracks on the moon Enceladus. (p. 350)
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An X-ray experiment has yielded the most conclusive evidence to date that carbon can be magnetic. (p. 350)
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Seismic instruments could be used to estimate the amount of ice that shears away from glaciers as they flow into the sea, offering a way to better estimate sea level rise due to the breakup of those ice masses. (p. 350)
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(p. 351)
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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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