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Contents
- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
- Closed Thinking: Without scientific competition and open debate, much psychology research goes nowhere
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Read articles, including Science News stories written for ages 9-14, on the
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Contents
- Teens take home science gold: A low-cost, self-driving vehicle; battery alternatives and analyses of galaxy clusters claim top prizes at a global high school science competition
- Flagging loose bolts: “Smart alert washer” automatically flags when a nut is coming loose, warning of potential danger
- Pee is for power: The water in urine can be a source of hydrogen for electrical generators
March 24th, 2012
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Science News mines its past for highlights from nine decades of science. (p. 20)
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A meditation on 90 years of Science News (p. 20)
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Rise of quantum theory and other highlights, 1920–29 (p. 22)
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Germ warfare, tracking Pluto's rise and fall and other highlights, 1930–39 (p. 23)
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The Atomic Age, elementary finds and other highlights, 1940–49 (p. 24)
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DNA's structure revealed and other highlights, 1950–59 (p. 26)
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The space race, technological optimism and other highlights, 1960–69 (p. 27)
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Genetic engineering, prescient reporting and other highlights, 1970–79 (p. 28)
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Solving the AIDS puzzle and other highlights, 1980–89 (p. 30)
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Detecting climate change and other highlights, 1990–99 (p. 31)
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Genomics and other highlights, 2000–2011 (p. 32)
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DNA study reveals the 5,300-year-old Iceman had brown eyes, Lyme disease and links to modern-day Corsicans and Sardinians. (p. 5)
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A theory proposes that objects in their lowest energy state can loop through the fourth dimension forever, much as atoms arrange themselves periodically in matter. (p. 8)
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Mysterious lunar lights are the superhot remains of meteorites pelting the surface. (p. 8)
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Treatment with amoxicillin provided little benefit over placebo, a new study finds. (p. 10)
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A pair of neurons in fly's brain is essential to long-term information storage and retrieval. (p. 10)
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Activity of nerve cells in a key brain structure reveals how people will bet in a card game. (p. 11)
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Vocabulary learning starts when babies can barely babble. (p. 12)
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Alcohol intoxication raises men’s performance on a test of verbal ingenuity. (p. 12)
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Protein bundles may help single-celled organisms adapt to difficult environmental conditions. (p. 14)
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A protein needed for eye development is also involved in detecting vibrations. (p. 14)
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A naturally occurring strain of fruit fly can thrive without slumber, but succumbs more quickly to starvation. (p. 15)
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Measurements at Colorado site show methane releases are twice as high as previously estimated. (p. 16)
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Many dry regions ‘export’ large amounts of water in the form of agricultural products. (p. 16)
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An analysis of books published over two centuries shows how words are born or succumb to shifting social and technological influences. (p. 18)
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A new strategy overcomes a distance quandary as it tracks the origins of widespread phenomena — from an E. coli outbreak to a fad. (p. 18)
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Review by Rachel Ehrenberg (p. 34)
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Review by Nathan Seppa (p. 34)
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(p. 35)
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Because of quantum mechanics, the chopping of photons is a fuzzy endeavor. (p. 36)
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Eruption early in human prehistory may have been more whimper than bang
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Greed may breed financial fitness, but evolution allows unselfishness to survive
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Fine-tuning of technique used in other animals could enable personalized medicine
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Simulation suggests long-term effect on sea level not as dire as some predictions
Not to miss
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Coverage of the 2013 American Association for the Advancement of Science meeting
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The Year in Science 2012
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Three-part series on the scientific struggle to explain the conscious self
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Tables of contents, columns and FAQs on SN Prime for iPad
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