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Discovery

BBC World Service

Science & Medicine

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Science & Medicine 28

Explorations in the world of science.

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Discovery: Cosmology 11 Aug 14

August 11th, 2014

Episode 394 of 565 episodes

In March astronomers in the BICEP2 collaboration announced they had found gravitational waves from the Big Bang. But now the evidence is being questioned. Dr Lucie Green reports.

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