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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. Freeway drivers often sense that cars in an adjacent lane are moving faster than those in their own lane. That’s certainly true when the average speed of the cars in the next lane is significantly higher than that of […]
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MathHighway Relativity
There may be more to zipping along in the fast lane than meets the casual eye.