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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
- Fuzzy future: Kids may suffer impaired vision from spending too little time outdoors, studies suggest
- Building with moon rocks: Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials
- Major twister hits Oklahoma: Its speed, which largely determines the damage it causes, is still unknown
HOT-WIRED. The artificial muscle (red wire) that moves this plastic arm draws its power directly from a chemical reaction. Catalyzed by platinum nanoparticles on the nickel-titanium wire's surface, methanol fumes rising from the bowl become oxidized. The reaction heats the wire, which causes it to shrink and to force the arm to extend.
Credit: J. Oh, M. Kozlov/Nanotech Institute, Univ. of Texas–Dallas
Found in: Technology
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Teens take home science gold at Intel ISEF
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One of the most abstract fields in math finds application in the 'real' world
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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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