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. ...

Mar 03, 2009
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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, ...

Mar 03, 2009
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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 ...

Mar 03, 2009
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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, ...

Mar 03, 2009
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