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What is Life - part five
A look at the difficulties facing biologists studying DNA. After discovering the secret of life itself scientists were faced with more challenges, as the programme finds out.
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BBC World Service Archive
This programme was restored as part of the World Service archive project
Space
The eclipses, spacecraft and astronauts changing our view of the Universe
The Curious Cases of Rutherford and Fry
A pair of scientific sleuths answer your perplexing questions. Ask them anything!
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Discovery
Explorations in the world of science.
