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Dara O Briain's Science Club

Series 2

Episode 5: Size Matters

Duration: 1 hour

on BBC Two England

Dara and the team reveal why size matters in science and how discoveries large and small are changing the way we view the universe, the economy and even our bodies. Show more

BBC Two England

About BBC Two

BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.