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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
August 13th, 2011
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Autism’s many genetic players may act through common networks. (p. 20)
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Human evolution’s tide may have turned on lake and sea shores. (p. 22)
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Graphene’s two dimensions offer new physics, novel electronics. (p. 26)
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Airborne particles sent skyward by eruptions since 2000 have counteracted the warming effects of increasing atmospheric carbon dioxide. (p. 5)
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Unexplained breathing problems in soldiers serving in Iraq and Afghanistan come from deposits that damage tiny passages in the lungs. (p. 8)
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Study finds two brain systems are surprisingly active when an amputee observes a task she can’t perform. (p. 8)
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Steepness of slope in dose-response curve tips off researchers to importance of timing in virus’s life cycle. (p. 9)
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House mice in Europe got some of their tolerance for rodenticides from hybridizing with a completely different species (p. 10)
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Attacks on humans peak after a full moon, when feline bellies tend to rumble. (p. 10)
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In the wild, the most powerful males reign tensely. (p. 11)
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Underrated reptiles figure out what to do when the old rules change. (p. 11)
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New work finds a physical basis for quantum mechanics. (p. 12)
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Physicists hide events in the laboratory for trillionths of a second. (p. 12)
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The economically vital metals could be mined from the deep sea, Japanese geologists propose. (p. 14)
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Long-term effects of early exposure to hydrocarbons remains unknown. (p. 14)
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Masters of vanity know they’re arrogant and disliked, but see own bigheadedness as justified. (p. 16)
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Human-raised Panzee challenges the notion that only people can discern acoustically altered words. (p. 16)
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Scientists map places where chromosomes mix and match genes. (p. 17)
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Genes for butterfly wings and maintaining maleness, plus turtles meet their lizard relatives and more in this week’s news. (p. 17)
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Human livers implanted in mice, plus new eye of newt, the potato genome and more in this week’s news. (p. 17)
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Smeared light from the dawn of time confirms ideas about a mysterious dark energy permeating the cosmos. (p. 18)
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Saturn moon gets its yin-yang surface by plowing through a ring of dust. (p. 18)
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Review by Alexandra Witze (p. 30)
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Review by Sid Perkins (p. 30)
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(p. 30)
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(p. 30)
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(p. 30)
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(p. 30)
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(p. 30)
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(p. 4)
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(p. 4)
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(p. 4)
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(p. 31)
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During the space race, U.S. and Soviet teams also engaged in a less-famous contest — to drill down to the boundary between the Earth’s crust and mantle. (p. 32)
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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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