About this episode
Chasing tornados in the American mid-West – scientists are trying to learn the maximum from the tornado outbreaks currently in America. Professor Karen Kosiba calls us from a radar truck studying the storms, and Professor John Allen explains the energy powering them. From the weather of today to the skies of 800 years ago... Dr Sébastien Guillet reveals how lunar observations by medieval monks are helping untangle the connection between historic eruptions and climate. Finally, we go back even further in time to the Bronze Age with Professor Elisa Guerra-Doce – to find out what drugs our ancestors were into.
Image credit: Getty Images / Michael B. Thomas Producer: Roland Pease Assistant Producer: Sophie Ormiston
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