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http://www.sciencenews.org/view/issue/id/33834
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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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July 19th, 2008
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When the Large Hadron Collider powers up this fall, protons moving at almost the speed of light will collide with energies high enough, physicists hope, to solve matter’s biggest mysteries. (p. 16)
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Scientists generally agree that sonar can trigger strandings of certain whales, but no one really knows what leads these deep divers to the beach
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To fight off an infection or illness, the body shifts into a slow-down mode that mirrors some symptoms of depression. In fact, scientists now think the immune response itself may even cause the mood disorder.
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New research with Amazonian villagers suggests that their language lacks number words but that they still comprehend precise quantities of objects.
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Male athletes who think they are getting growth hormone claim to feel better and score higher in a jumping test while on a placebo.
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Scientists take a new look at what drives female damselflies to look like males.
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Three teams suggest that a huge object slammed into Mars, giving the planet an unusually dualistic topography.
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A blood pressure medication limits damage to the aorta in people with Marfan syndrome, possibly signaling a new therapy for the condition.
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The first chemical analysis of dirt by the Mars Phoenix Lander supports the notion that liquid water flowed on the Red Planet at some point.
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Nonnative earthworms are deliberately burying ragweed seeds, enhancing the weed’s growth, researchers report.
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An optical trap lets atoms in but not out, and it can be used to study matter at ultracold temperatures.
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Mystery object appears to be a starless dwarf galaxy
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Epigenetic shifts continue throughout a person’s lifetime, and the overall pattern of these shifts appears similar within families.
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A simple, inexpensive ultrasound test of the heel might reveal whether a person is at risk of osteoporosis and should get more extensive tests.
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Female chimps tend toward silent sex when the other girls could overhear.
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Making a face might have helped human ancestors survive.
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Lack of regular periods in teenage female athletes stems from a hormone imbalance arising from inadequate energy intake.
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The orchid that gives us vanilla beans has startlingly low genetic diversity, suggesting crops might be susceptible to pathogens, researchers report.
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Boys who attend preschool classes with a majority of girls do better developmentally than other boys.
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Some anesthetics not only cause a burning feeling when they're given, but can also increase the pain felt after surgery.
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