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http://www.sciencenews.org/view/issue/id/5688
December 11th, 2004
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Analyses of ancient pottery have yielded evidence the people living in northern China 9,000 years ago concocted a fermented, winelike drink from rice, honey, and fruit. (p. 371)
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Researchers have coaxed cloned rhesus macaque embryos to grow to the blastocyst stage, the furthest point yet reached in cloning a nonhuman primate. (p. 371)
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Two orbiting observatories for the first time are homing in on planetary debris circling sunlike stars. (p. 372)
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Air pollution does long-term damage to people's arteries, leading to increased risk of heart attack and stroke, a Los Angeles study confirms. (p. 372)
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The wings of airborne birds may generate whirlpools of air to produce lift for flying, just as insects do. (p. 373)
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Stacks of sheets of light-emitting organic molecules that assemble into nanoscale structures could be more efficient and luminescent than existing display materials based on organic substances. (p. 373)
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Stem cells removed from healthy muscle, grown in a lab, and inserted back into women with urinary incontinence can rebuild a muscle needed to control urine flow. (p. 374)
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Sophisticated analyses suggest that some prehistoric peoples were highly skilled weavers. (p. 376)
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Four hundred years after the explosion of the Kepler supernova, the last such stellar eruption in our galaxy, astronomers have examined the supernova's remnant with state-of-the-art telescopes that view it in infrared, optical, and X-ray light. (p. 378)
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An unusual study conducted on an Alpine mountainside suggests that climbing a steep slope improves the body's ability to process certain fats, while descending such a slope enhances metabolism of a key sugar. (p. 380)
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A new mesh wrap can be placed around an expanded and weakened heart to restore the organ to an efficient, elliptical form. (p. 380)
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Astronomers have for the first time used extremely high-energy gamma rays to image a celestial body. (p. 382)
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An experimental vaccine against tuberculosis imparts significant immunity, but only in people who have previously received the existing bacille Calmette-Guérin vaccine for TB. (p. 382)
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British chemists have found that a white material inside a small tin canister excavated from a 2000-year-old Roman temple is an ancient cosmetic face cream. (p. 382)
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By sniffing molecules present in urine, mice gain insight into each other's immune systems. (p. 382)
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(p. 383)
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Book Review: Charles Darwin’s On the Origin of Species: A Graphic Adaptation
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