Uncategorized
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Health & Medicine
More Than Bit Players: Snippets of RNA might sway pancreatic cancer
Small pieces of genetic material called microRNA might provide a preview of pancreatic cancer's aggressiveness and offer targets for combating the usually deadly disease.
By Nathan Seppa -
Planetary Science
Liquid Center: Mercury has a molten core, radar reveals
Mercury is hot stuff: It's got a core that's at least partially molten, a new radar study of the planet's spin reveals.
By Ron Cowen -
Automatic Networking: Brain systems charge up in unconscious monkeys
Even when monkeys are anesthetized, their brains show patterns of electrical activity similar to those exhibited during wakeful activity.
By Bruce Bower -
Physics
Quantum Loophole: Some quirks of physics can be good for science
Physicists have found a way to almost double measurement precision when using photons to gauge distances.
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Talk to the Hand: Language might have evolved from gestures
Language might have evolved from hand gestures, say researchers who study communication in chimpanzees.
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Health & Medicine
Less Is More (Bone): Yearly osteoporosis drug reduces fractures
Older women with osteoporosis who received yearly infusions of a drug that prevents bone loss had far fewer fractures than did peers who didn't get the drug.
By Brian Vastag -
Humans
From the May 1, 1937, issue
A vitamin image, sugar versus alcohol, and patterns in cells.
By Science News -
Physics
Exploring Time
This new educational site offers time-lapse and high-speed video clips, 3D scientific animations, and other visually stunning features that reveal how events unfold on different timescales—from billionths of seconds to billions of years—and take place too quickly or too slowly for the human senses to perceive. Go to: http://www.exploringtime.org
By Science News -
Planetary Science
A solar forecast
Solar activity, which waxes and wanes in an 11-year cycle, will most likely begin its next round in March 2008 and peak sometime between late 2011 and mid 2012.
By Ron Cowen -
Animals
Spider blood fluoresces
Among spiders, fluorescence under ultraviolet light seems to be a widespread trait.
By Susan Milius -
Earth
Lake Superior is warming faster than its local climate
In recent decades, the waters of Lake Superior have warmed significantly faster than have air temperatures at nearby sites onshore, a trend caused in part by a long-term decrease in the lake's winter ice cover.
By Sid Perkins -
Anthropology
Kin play limited role in chimp cooperation
Male chimps collaborate in a variety of ways and, like people, often find partners outside of their immediate families for cooperative ventures.
By Bruce Bower