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April 1st, 2009
Conservator Paul Cook tells the improbable story of a small hydrogen balloon and its mission to find lost polar explorers.
Conservator Paul Cook tells the improbable story of a small hydrogen balloon and its mission to find lost polar explorers.
David Rooney introduces Rita Atkinson, the ‘perfect telephone subscriber’ and reveals how she helped choose the first voice of the speaking clock.
Astronomer Claire Bretherton answers some of the more challenging questions you’ve left on the Big questions answered phone line. This time it’s all about telescopes in space and the ever-mysterious dark matter.