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http://www.sciencenews.org/view/issue/id/7698
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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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September 2nd, 2006
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By inserting a gene into normal immune cells isolated from melanoma patients, scientists have turned the cells into cancer fighters. (p. 147)
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Crawling bacteria can power a micromotor. (p. 147)
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A lab test has shown that mosses have their own version animal-courier system for sperm that's similar to pollination. (p. 148)
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Exposure to certain pollutants early in life may do lasting harm to the immune system by blocking its response to vaccinations. (p. 148)
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Parkinson's patients who get electrodes surgically implanted in their brains regain some muscle control and have improved quality of life. (p. 149)
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The solar system has only eight planets, and Pluto isn't one of them, according to the first-ever definition of a planet, approved last week by the General Assembly of the International Astronomical Union. (p. 149)
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Fossils trapped in amber provide evidence that the Amazonian rainforest dates back 10 to 15 million years. (p. 150)
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In the year after surviving Hurricane Katrina, Gulf Coast residents experienced a surge in serious mental disorders combined with elements of personal growth and emotional resilience. (p. 150)
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As they study the biochemical processes that make Mycobacterium tuberculosis tick, researchers are finding new targets to exploit to combat the microbe. (p. 152)
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As scientists discover traits shared by human and ape ancestors millions of years ago, they try to fill in the gaps of human evolution. (p. 154)
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Chimpanzees use stones to crack nuts in an African region far from where that behavior was thought to be relegated. (p. 157)
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Astronomers have identified a galaxy that had already begun to resemble the modern Milky Way when the universe was only 3 billion years old, one-fifth of its current age. (p. 157)
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Sperm stored inside frozen organs or whole animals can produce healthy offspring years later. (p. 157)
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Preliminary evidence indicates that a single dose of a drug called ketamine rapidly quells symptoms of major depression for up to 1 week in patients who don't benefit from standard antidepressant medications. (p. 157)
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Female ring-tailed lemurs may get masculinized by well-timed little rises of prenatal hormones. (p. 158)
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Female rattlebox moths can detect each other's male-luring pheromones and tend to gather in what may be a scent version of male frogs' chorusing around the pond. (p. 158)
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An inland population of one of the famed Galápagos finches may become a new textbook example of the way in which two species emerge from one while still living together. (p. 158)
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The flealike parasites that build up in a shared burrow take an unexpectedly large toll on the ground squirrel's reproductive success. (p. 158)
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(p. 159)
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