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Two Nearby Planets may be suitable for Life
New planets could contain water and alien life; genetically tracking Native Americans; Scentinal security system that can recognise an individual's body odour; 1700 giant earthquake mystery solved.
±«Óătv World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The ±«Óătv brings you all the week's science news.
