Caramel, Carbon Dioxide and the way to the Centre of the Universe - a podcast by Dr Chris Smith

Why does sugar look so different when you heat it up? How much CO2 is there in all the world's bottles of Cola? And which way is it to the Centre of the Universe? We'll tackle all these questions this week, as well as discovering what causes thunderstorms, and whether aeroplanes would work in space. Plus, does wrapping your fish and chips in newspaper make it poisonous? Like this podcast? Please help us by supporting the Naked Scientists

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