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Cholera
Why do cholera epidemics spread with such explosive and lethal rapidity? The virus appears to be more active once it is passed to a human host. Producer: Andrew Luck-Baker.
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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.
