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Dr Karl discusses the loudest sound in the world and why it would kill you. Why is the night sky dark in spite of all the stars, and are there really roads where cars roll uphill?
By BBC Radio 5 Live4.5
107107 ratings
Dr Karl discusses the loudest sound in the world and why it would kill you. Why is the night sky dark in spite of all the stars, and are there really roads where cars roll uphill?

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