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When brains wring colors from words
Brain-scan data indicate that one type of synesthesia, in which people involuntarily see vivid colors while listening to spoken words, is more like a color hallucination than an attempt to imagine colors.
By Bruce Bower -
Clones face uncertain future
Scientists have cloned a cat, but new studies suggest that cloned animals have shortened lifespans.
By John Travis -
PhysicsComputer simulates full nuclear blast
In a classified nuclear-weapon experiment, the world's fastest computer simulated a thermonuclear blast in three dimensions.
By Peter Weiss -
MathHighway Relativity
There may be more to zipping along in the fast lane than meets the casual eye.