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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
Environment
- Source of climate-warming gas remains uncertain, but might be microbes.
- New analysis reveals that the Arctic species dates back to about 600,000 years ago.
- Tracing the origins of the strain that causes white-nose syndrome in U.S. animals to Europe, scientists show that infection ups arousal rate during hibernation, depleting energy stores.
- Unusual field tests reveal how common insecticides, even at nonfatal doses, can erode colonies and threaten the future of bumblebees and honeybees.
- Deepwater organisms may be slow to recover from Gulf accident.
- Trees and wildflowers register the effects as animals flee (or not) from grinding engines.
- Tiny particles alter normal vessel functions, animal studies show.
- By pushing insects to start biting mammals earlier in the year, warmer cold months could increase the transmission of a brain virus affecting people and horses.
- Cool ocean cycle, population slide evoke collapse of Pacific resource in the late 1940s.
- A melting Arctic shifts atmospheric patterns across much of the Northern Hemisphere, causing severe weather elsewhere.
- Scientists capitalize on 'natural’ experiment to chronicle how ecosystems will change as oceans continue to acidify.
- Measurements at Colorado site show methane releases are twice as high as previously estimated.
- Many dry regions ‘export’ large amounts of water in the form of agricultural products.
- Exposures typical of the general public are enough to alter insulin secretion.
- Mathematical tools help researchers predict when systems are about to change dramatically.
- A scientist’s six-year backyard experiment strengthens the scenario for evolutionary changes due to industrial pollution.
- Frozen moss suggests climate cooling kicked off fast, possibly with help from volcanic eruptions.
- Western Australian reefs are faring better than their eastern counterparts, at least for now.
- As invasive snakes expand territory, some mammal populations drop by more than 90 percent within a decade.
- Antibodies from immunizations are halved among children with the highest exposure levels to common chemicals.
- South America’s massive rain forest may soon release more carbon into the atmosphere than it absorbs.
- The devastating fungus has already stripped shrubbery down to sticks in Europe and New Zealand.
- Nerve cells respond to acidifying waters.
- Simple measures could slow global warming and reduce premature deaths.
- Two new studies help explain fate of pollutants released in the biggest offshore spill in U.S. history.
- Fish embryos proved surprisingly vulnerable to a 2007 spill in San Francisco Bay.
- How flames spread, not how frequently people start them, controls burning on the continent.
- The ingredient of some plastics and food packaging can interfere with cardiac rhythm at surprisingly low concentrations.
- Greenland's Helheim Glacier is shedding ice at a high rate.
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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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