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When Comet Shoemaker-Levy Collided with Jupiter
Astronomers' responses to Comet Shoemaker-Levy's collision with Jupiter; genes causing cell suicide could help in cancer fight; cutting down on tobacco addiction by reducing nicotine in cigarettes.
成人论坛 World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The 成人论坛 brings you all the week's science news.
