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http://www.sciencenews.org/view/issue/id/43595
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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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May 23rd, 2009
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Four hundred years ago, Galileo and his telescope brought the heavens into focus, setting the stage for modern astronomy (p. 16)
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In 400 years, telescopes advance from rooftops to mountains to orbit (p. 20)
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Astronomers grapple with cosmic puzzles both dark and light (p. 22)
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The next constellation of telescopes will dramatically extend and sharpen scientists’ view of the universe. (p. 30)
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A roster of new and proposed telescopes
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Analysis finds that mating strategies are not universal (p. 5)
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Parrots and possibly other vocal-mimicking animals can synchronize their movements to a musical beat, two new studies suggest. (p. 8)
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Until now, an acacia common in its African homeland had no scientific name (p. 8)
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Researchers have co-opted fungi to produce the flavor more efficiently. (p. 9)
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Scientists get a closer look at the structure of mimivirus, the largest virus in the world. (p. 9)
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Largest genetic study of African populations yields clues about the origin of modern humans and the ancestry of African-Americans (p. 10)
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Finding a planet just under twice Earth's size puts astronomers closer to discovering an Earth counterpart. (p. 11)
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Researchers have found a giant blob of gas and stars, the fourth most distant object known in the universe. The blob may offer the earliest snapshot of a very young galaxy caught in the act of gobbling up material for growth. (p. 11)
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Taking the experimental drug telaprevir with standard medications for hepatitis C clears the virus from patients’ blood better than the standard combination alone. (p. 12)
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Senior editor Janet Raloff blogs from the 2009 meeting gathering dozens of societies together in New Orleans (p. 12)
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A tool from physics helps link the patterns of psychiatric patients’ symptoms and the likelihood they will commit violent acts. (p. 12)
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New neurons produced in the brain after a stroke don’t grow into all the cell types needed to heal the wound. (p. 12)
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Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests. (p. 14)
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A fossil skeleton discovered in the Canadian Arctic could represent a missing link in pinniped evolution. (p. 14)
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(p. 4)
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(p. 4)
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Review by Elizabeth Quill (p. 35)
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(p. 35)
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(p. 35)
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(p. 36)
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A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
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A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
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