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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
- 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
- Why a tornado forms: Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.
People's vitamin D blood levels differ because of various factors, including skin color and sun exposure. Though scientists disagree on the level needed for good health, most peg the value between 20 and 40 nanograms per milliliter. Data below come from specific populations.
Credit: FETHI BELAID/AFP/GETTY IMAGES; PER-ANDERS PETTERSSON/GETTY IMAGES
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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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