- :: Atom & Cosmos
- :: Body & Brain
- :: Earth
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- :: Humans
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- :: Matter & Energy
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- :: Science News For Kids
http://www.sciencenews.org/view/issue/id/9201
December 15th, 2007
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Science News welcomes a new Editor in Chief. (p. 371)
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A 500,000-year-old Homo erectus skull from Turkey may show telltale signs of tuberculosis, by far the earliest such evidence of the disease. (p. 371)
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When it comes to a bird family's propensity to pilfer, a larger than usual brain for a particular body size is more important than body size alone. (p. 372)
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A ring of proteins forms around the "waistlines" of cells to contract and split the cells in two, and scientists have now discovered how that ring self-assembles. (p. 372)
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The Milky Way galaxy possesses a distinct outer halo that orbits in the opposite direction from its inner halo and the rest of the galaxy. (p. 373)
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Astronomers have discovered 27 faint, run-of-the-mill galaxies from the early universe that may be some of the building blocks of giant galaxies such as the Milky Way. (p. 373)
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Signals in optical fibers can combine into rare, short-lived spikes that resemble oceanic rogue waves. (p. 374)
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Prairie restoration is attracting interest, but because so little long-term monitoring and comparative studies have been done, researchers are still wondering whether it's really possible to re-create a prairie. (p. 376)
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In their quest to cure type 1 diabetes, scientists are finding that turning stem cells into insulin-producing beta cells is a lot harder than it first appeared. (p. 378)
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Overweight children grow up to have an elevated risk for blocked coronary arteries as adults, a long-term Danish study finds. (p. 381)
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Topi antelopes, with their hesitant males, reverse the usual sex roles in mammal courtship. (p. 381)
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Scientists working in yeast have deciphered the structure of the complex cluster of proteins that regulates access to the nucleus of cells. (p. 382)
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Growing cells in gelatinous materials gains in popularity as more researchers realize how the three-dimensional arrangement of cells influences cell behaviorand increases the relevance of experiments. (p. 382)
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Many of the internal structures of a cell may have evolved from an ancient, simpler compartment. (p. 382)
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(p. 383)
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Science & the Public
Aug 2nd 2008
Math Trek
If we have free will, so do subatomic particles, mathematicians claim to prove. Aug 15th 2008
If we have free will, so do subatomic particles, mathematicians claim to prove. Aug 15th 2008
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by J.R. Leibowitz, Johns Hopkins Univ. Press, 2008, 160 p., $24.95
Buy now | More Books
