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Dark matter
Dark matter - have astronomers witnessed its existence? NASA's extreme infrared and ultraviolet explorer appears to have found a form of matter which would explain dark matter. Also, how blocked drains could help advance heart surgery and the origin of life. Presenter: Martin Redfern.
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!
Podcast
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Discovery
Explorations in the world of science.
