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http://www.sciencenews.org/view/issue/id/7282
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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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April 29th, 2006
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Researchers have found signs that one of the constants of nature has undergone a subtle shift since the universe's infancy. (p. 259)
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Pollutants spewing from vehicles and power plants may be harmful to fetal brains. (p. 259)
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Large quantities of iron-rich minerals may be responsible for the sluggishness of seismic waves traveling through certain regions deep within Earth. (p. 260)
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A section of the mosquito genome appears to give the insects a natural resistance to malaria. (p. 260)
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Some seemingly quiet black holes are actually efficient engines that emit jets of high-energy particles. (p. 261)
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A grammatical pattern called recursion, once proposed as unique to human language, turns out to fall within the learning abilities of starlings. (p. 261)
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Using a submicroscopic synthetic blob called a liposome, scientists have neutralized anthrax toxin in rats. (p. 262)
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No longer limiting the use of sound waves to diagnostic medicine, researchers are studying high-intensity focused ultrasound as a treatment for uterine fibroids, breast cancer, prostate cancer, and other cancers. (p. 264)
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Geologists have long understood the chemical processes that sculpt many cave formations, but they've only recently come up with a physical model that explains some of their shapes. (p. 266)
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Researchers have announced the restoration and translation of a 1,700-year-old papyrus document containing the Gospel of Judas, an account that portrays Judas Iscariot as a hero, not as Jesus' betrayer. (p. 269)
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The sharp increase in youngsters taking prescribed stimulants that was noted a decade ago largely leveled off between 1997 and 2002. (p. 269)
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A newly discovered gene in zebrafish seems to prevent the animals from absorbing fat molecules from their diets. (p. 269)
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A common aquatic microbe makes a sticky substance that produces the strongest biological adhesion ever discovered. (p. 269)
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A type of atomic vibration never before seen in ordinary solid materials has been observed in uranium. (p. 270)
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The number of earthquakes that occur beneath surging glaciers in Greenland has doubled in the past 4 years. (p. 270)
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Scientists have unearthed remains of a massive, plant-eating dinosaur whose neck may have been twice as long as its body. (p. 270)
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A coat of nanoparticles can prevent a popular lab-made capsule from fusing with its neighbors and losing its structure. (p. 270)
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(p. 271)
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