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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
- A mind for math: A part of the brain associated with making memories may also predict success in learning math
- 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
March 23rd, 2013
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The lab mouse is being remodeled to better mimic how humans respond to disease. (p. 22)
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Barely detectable tremors may portend major destruction. (p. 26)
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Emerging virus causes severe illness, but doesn’t spread as quickly as SARS. (p. 5)
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Temperature manipulation appears to solve mystery of what triggers migratory butterflies’ homeward trip. (p. 8)
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Species-rich amphibian communities prove better at fending off limb-deforming parasitic infections. (p. 8)
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A hermaphroditic gastropod sheds its penis after one use, then uncoils another. (p. 9)
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Floral electric fields could join color and fragrance as cues to pollinators. (p. 9)
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A study that compares trauma responses of mice with those in people questions the relevance of mouse research to human disease. (p. 10)
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People with a rare brain disorder don’t get scared — except when they breathe carbon dioxide. (p. 12)
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Research reveals unexpected role for cells called microglia in shaping the brain. (p. 12)
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Drug that interferes with recollection works only when people face the unexpected. (p. 13)
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Perch swim more and eat faster when exposed to concentrations of an antianxiety medication found in rivers. (p. 14)
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More sunlight penetrates thinning Arctic sea ice, enabling algal growth. (p. 14)
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Using an improved radiocarbon method, researchers challenge the notion that the species hung on in Iberia for millennia after modern humans arrived in Europe. (p. 15)
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A test of Heisenberg’s principle, on a scale visible to the naked eye, may aid the search for gravitational waves. (p. 16)
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Supernova remnants provide evidence that these intense stellar explosions send cosmic rays hurtling through the galaxy. (p. 16)
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Retooling a virus extends survival in terminal patients. (p. 18)
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Belgium sees drop in preterm births after initiating no-smoking policies. (p. 18)
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Excessive exposure to air high in diesel exhaust and wood smoke is tied to disabled immune-regulating cells in children. (p. 19)
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Highlights from the annual meeting of the American Academy of Allergy, Asthma and Immunology, San Antonio, February 22-26, 2013. (p. 19)
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Signs of Alzheimer’s disease appear after the rodents breathe cigarette smoke. (p. 20)
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Cold War–era imagery reveals transportation networks extended throughout Middle East. (p. 20)
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Losing zzz’s shifts workings of more than 700 genes. (p. 20)
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Raman spectroscopy allows forensics researchers to distinguish among dozens of lipsticks. (p. 20)
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Mice that can’t sense the two tastes find high sodium attractive. (p. 20)
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Review by Tom Siegfried (p. 30)
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Review by Kate Travis (p. 30)
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(p. 30)
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The Physics of Wall Street: A Brief History of Predicting the Unpredictable by James Owen Weatherall(p. 30)
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(p. 30)
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(p. 30)
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(p. 30)
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From the issue of March 23, 1963 (p. 4)
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From the issue of March 23, 2013 (p. 4)
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(p. 4)
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From the issue of March 23, 2013 (p. 31)
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Baseball’s resident physicist. (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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