- :: Atom & Cosmos
- :: Body & Brain
- :: Earth
- :: Environment
- :: Genes & Cells
- :: Humans
- :: Life
- :: Matter & Energy
- :: Molecules
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- :: Other Topics
- :: Science News For Kids
http://www.sciencenews.org/view/issue/id/8821
August 18th, 2007
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A Central American beetle changes color in a novel way, using its body fluid to control the reflectivity of its shell. (p. 99)
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A DNA vaccine against multiple sclerosis passes a safety trial and shows signs of suppressing immune-directed nerve damage. (p. 99)
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A laser technique similar to a CAT scan produces 3-D images of living cells without the need for chemical staining. (p. 100)
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Ultrathin sheets made from cellulose and carbon nanotubes could serve as flexible, versatile batteries. (p. 100)
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Reconstruction of an ancient protein shows how seemingly unimportant mutations paved the way for its evolution into a molecule with an essential modern role. (p. 101)
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Instructional therapy to promote coping strategies helps elderly people with incipient blindness ward off depression—at least in the short run. (p. 101)
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Experiments and a computer simulation show why dirt roads develop a washboard surface, and indicate the only way to prevent it: Drive very slowly. (p. 102)
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The strange appearance of Saturn's moon Iapetus suggests that it was frozen in shape soon after birth, providing a glimpse into conditions in the early solar system. (p. 104)
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Although many biochemical molecules come in left-handed and right-handed versions, life on Earth uses one version exclusively, and some controversial experiments suggest this preference might not be due to chance. (p. 107)
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Cockatiel pairs that don't cooperate well have trouble raising their chicks. (p. 109)
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A particular flourish in a male frog's call attracts extra interest from predators as well as female frogs, and researchers now have an idea why. (p. 109)
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People who read well show more resistance to the toxic brain effects of lead exposure. (p. 110)
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A refinement to electron microscopes enables them not only to visualize atoms but also to identify different elements. (p. 110)
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An anti-inflammatory drug of the COX-2 inhibitor family blocks precancerous lesions in mice prone to pancreatic cancer. (p. 110)
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The Cassini spacecraft will change course to take a close look next March at plumes of water vapor emanating from the south pole of Saturn's moon Enceladus. (p. 110)
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(p. 111)
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Book Review: Charles Darwin’s On the Origin of Species: A Graphic Adaptation
Review by Sid Perkins
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Review by Sid Perkins
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