Archive: 03/3/2009

Coming of age on the Internet

In the mid-90s, the Internet seemed like a dark place. Indeed, scientific studies from that time were documenting some real risks for teenagers, including fewer close friendships and more tenuous connections with family. ...

dateMar 03, 2009 in Psychology & Psychiatry
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What drives brain changes in macular degeneration?

In macular degeneration, the most common form of adult blindness, patients progressively lose vision in the center of their visual field, thereby depriving the corresponding part of the visual cortex of input. Previously, ...

dateMar 03, 2009 in Neuroscience
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Saturn has small moon hidden in ring

(PhysOrg.com) -- NASA's Cassini spacecraft has found within Saturn's G ring an embedded moonlet that appears as a faint, moving pinprick of light. Scientists believe it is a main source of the G ring and its ...

dateMar 03, 2009 in Space Exploration
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New protein identified in bacterial arsenal

(PhysOrg.com) -- Nearly a billion years ago, bacteria evolved an insidious means of infecting their hosts — a syringe-like mechanism able to inject cells with stealthy hijacker molecules. These molecules, ...

dateMar 03, 2009 in Biochemistry
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