Greg Jenner and his guests look at a range of scientific discoveries spanning 1000 years of history, widely known as the medieval period. How were knowledge and scientific findings shared across a world with its countless languages and regions before the internet?
Greg is joined by Dr Seb Falk and comedian Josie Long to look at some of the weird and wonderful advancements of the period which we still use today.
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Research by Rosanna Evans Script by Emma Nagouse, Rosanna Evans and Greg Jenner Project manager: Siefe Miyo Edit producer: Cornelius Mendez