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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.
BBC World Service Archive
This programme was restored as part of the World Service archive project
Podcast
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Science In Action
The BBC brings you all the week's science news.
