20/06/2011 GMT

Explorations in the world of science.

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18 minutes

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Tue 21 Jun 2011 15:32 GMT

Space

The Space Race

The eclipses, spacecraft and astronauts changing our view of the Universe

The Curious Cases of Rutherford and Fry

The Curious Cases of Rutherford and Fry

A pair of scientific sleuths answer your perplexing questions. Ask them anything!