Episode

5 live Science Podcast

BBC Radio 5 live

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 70

5 live's science podcast, featuring Dr Karl, plus Dr Chris and Naked Scientists Chris Smith and Kat Arney with the hottest science news stories and analysis.

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Naked Sci 17 Jun 13: Crumbling concrete, the Tunguska Fireball and teens and tobacco

June 17th, 2013

Episode 305 of 680 episodes

Dr Chris Smith and the Naked Scientists look at what might have caused the "Tunguska Fireball" in 1908, the use of bacteria to repair crumbling concrete and the effect of tobacco advertising on teens.

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