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http://www.sciencenews.org/view/issue/id/9367
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In This Issue
- It’s written all over your face: To potential mates, your mug may reveal more than you think
- Team spirit: Working together, bacteria and other microbes can accomplish much more than they can alone. Now scientists hope to harness that ability by engineering their own microbial consortia.
- For a big view of inner Earth, catch a few…Geoneutrinos
- This week's table of contents
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February 9th, 2008
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Prozac may relieve depression by stimulating growth and maturation of neurons in some parts of the brain. (p. 83)
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A thick layer of rocks now lying high in the mountains of Italy is the remains of a quake-generating subduction zone active under the sea millions of years ago, a discovery that provides clues about ancient seismic activity along this interface between tectonic plates and insights into what may be happening along many such subduction zones today. (p. 83)
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Sounds can travel to a whale's ears through its throat, an acoustic pathway that might be ancient in the whale lineage. (p. 84)
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By three months of age, infants already display separate brain networks for detecting changes in either the number or the types of objects that they see. (p. 84)
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Invasions of foreign freshwater fish are more common in areas with relatively high economic activity, suggesting that humans are a part of the problem. (p. 85)
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Regular marijuana smoking is linked to gum disease in young adults. (p. 85)
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President Bush's proposed 2009 federal budget would boost R&D in the physical sciences while reining in biomedical research. (p. 86)
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As a source of new cells to revitalize tissues, adult stem cells may cause some of decline of the body in old age, but the link between the two is not as simple as it seems. (p. 88)
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A research team has excavated huge public structures from more than 6,000 years ago in northeastern Syria, challenging the notion that the world's first cities arose in the so-called fertile crescent of what's now southern Iraq. (p. 90)
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A U.S. senator outed a noted diabetes researcher for breaking confidentiality and leaking a study while he was peer-reviewing it for a major journal. (p. 92)
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Chemists forced the most common form of uranium into a new kind of chemical reaction, which could lead to new industrial applications and new tools to clean up the environment. (p. 92)
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Dioxin exposure at an early age affects sperm quality later in life. (p. 94)
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An analysis of medieval skeletons in England and Denmark finds that the devastating epidemic known as the Black Death killed excess numbers of people who were physically frail to begin with. (p. 94)
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Archaeologists have discovered evidence that people used a ceremonial altar to the ancient Greek god Zeus around 5,000 years ago, a millennium before Zeus worship originated. (p. 94)
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(p. 95)
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Book Review: Food Bites: The Science of the Foods We Eat
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Book Review: Don’t Sleep, There Are Snakes: Life and Language in the Amazonian Jungle
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Planet Earth: An Illustrated History
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