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Deep Impact set for Comet Collision

Nasa's Deep Impact moves into position for its controlled collision with comet Temple 1

Nasa's Deep Impact moves into position for its controlled collision with the comet Tempel 1. Global warming threatens to re-mobilise Africa's vast mega Kalahari sand dunes which could have a devastating effect for local populations. How do you burn fossil fuels without releasing greenhouse gasses? Plus, a prototype Antarctic buggy.

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成人快手 World Service Archive

This programme was restored as part of the World Service archive project

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