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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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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
A fair-skinned person basking in the sun in a bathing suit could get 20,000 international units of vitamin D in half an hour. Natural and fortified foods offer much less (estimates below). Though an Institute of Medicine panel recently recommended that adults up to age 70 get 600 international units daily, guidelines from the Endocrine Society suggest 1,500 to 2,000 IU.
Credit: URGUPLU/ISTOCKPHOTO; JMSILVA/ISTOCKPHOTO; FSTOP123/ISTOCKPHOTO
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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
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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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