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http://www.sciencenews.org/view/issue/id/35377
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In the December 5 Issue:
- TABLE OF CONTENTS
- Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
- Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
- Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance
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August 30th, 2008
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The eruption in 1600 of a seemingly quiet volcano in Peru changed global climate and triggered famine as far away as Russia
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Recent changes in hearing-related genes may have influenced language development
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The ultrasonic din of dying trees inspires a new kind of research to save forests from beetle attacks — and battle climate change
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Simulating new materials could help in building them — but only quantum simulators could fully model reality. A team reports a first step in realizing quantum simulation.
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Sleep loss impairs fruit flies’ ability to learn, just as it does in people. But boosting dopamine in the flies can erase these learning deficits. (p. 8)
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Trying to grow better, longer nanotubes, researchers accidentally discover a new type of carbon filament, colossal carbon tubes, which are tens of thousands of times thicker.
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A new chemical technique shows promise in identifying traces of explosives, illicit drugs and perhaps even signs of disease. (p. 9)
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A Greek gadget discovered more than a century ago in a 2,100-year-old shipwreck not only tracked the motion of heavenly bodies and predicted eclipses, but also functioned as a sophisticated calendar and mapped the four-year cycle of the ancient Greek Olympics.
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The Cassini spacecraft has found what may be the strongest evidence yet that Saturn's tiny moon Enceladus has an ocean beneath its icy surface.
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New computer model suggests Earth and its brethren are atypical.
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Phoenix Mars Lander detects water, a landmark that, along with other successes, prompts NASA to extend the mission.
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New research suggests modern biofilms could contaminate ancient fossils.
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New species is thin as a spaghetti noodle but shorter.
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The first known spider with a predominantly meatless diet nibbles trees.
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When humans open up for a jaw-stretcher, so do their best friends.
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Delivering small interfering RNAs, or siRNAs, to human immune cells in mice protects the cells from HIV and suggests future therapy for patients.
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Two new studies take steps toward practical materials that can bend light backward, which could lead to invisibility cloaks.
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