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http://www.sciencenews.org/view/issue/id/7628
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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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August 12th, 2006
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Prolonged and frequent use of fetal ultrasound might lead to abnormal fetal brain development, a study in mice suggests. (p. 99)
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Perchlorate, a compound best known as a component of rocket fuel, can disrupt sexual development in fish. (p. 99)
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Using an X-ray–scanning technique, scientists have taken a high-resolution peek inside fossilized embryos of some early multicellular organisms. (p. 100)
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By measuring tiny dips in the intensity of X rays from a distant star, astronomers say they have detected more than 50 of the tiniest chunks of ice ever found in the outer solar system. (p. 100)
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Drugs that take only 2 months to cure tuberculosis instead of the usual 6 months could prevent millions of TB infections and deaths. (p. 101)
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Research in rats shows that an experimental drug completely regenerates parts of the brain crucial to forming memories. (p. 101)
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A damselfish cultivates underwater gardens of an algal species that researchers haven't found growing on its own. (p. 102)
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Although dragonflies are among the most familiar of insects, science is just beginning to unravel their complex life stories. (p. 104)
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A new wave of research offers insights into the nature and causes of Asperger syndrome, a condition related to autism that's characterized by social cluelessness, repetitive behavior, and unusually narrow interests. (p. 106)
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Astronomers have the first clear-cut evidence that rotating young stars are slowed by the planet-forming disks of gas and dust that surround many of them. (p. 109)
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The biological clocks in people with schizophrenia often are disturbed, if not broken. (p. 109)
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Eating cayenne pepper with meals may mitigate a hormonal response to food that's linked to diabetes. (p. 109)
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Researchers have tracked down the location of a body clock that appears to be regulated by food. (p. 109)
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The melting of massive glaciers in the Alps is removing weight from those peaks and causing them to gain altitude. (p. 110)
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The protein that forms the backbone of blood clots can stretch to several times its own length and then snap back to its original size. (p. 110)
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The layer of hydrated material that forms on the surface of ancient obsidian artifacts as they age can be used to estimate the temperatures that the artifacts have experienced. (p. 110)
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New experiments show that fluorescent lights cause undesirable bumpiness on the surface of silicon, identifying what may be a previously unrecognized cause of flaws in microchips that could become increasingly important. (p. 110)
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(p. 111)
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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
Review by Bruce Bower
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Planet Earth: An Illustrated History
A photographic tribute to the glories of nature, including picturesque landscapes, stunning aer...
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A photographic tribute to the glories of nature, including picturesque landscapes, stunning aer...
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