In this latest episode, the Unexpected duo, Professor James Daybell and Dr Sam Willis take a deep drink from the glass of the past to deliver to you the UNEXPECTED history of THIRST! Which is all about the history of California and access to water, and a global history of drinking water. It is also about the Pablo Valencia’s extraordinary trek through the Arizona desert and the scientific study of dehydration; the history of teetotalism, and the discovery of five crates of liquor under Ernest Shackleton’s Antarctic hut and historical cocktails! Who knew!