Scotland has a population of around five million people. It has also given the world the telephone, the television, radar, the MRI scanner, penicillin, insulin, anaesthesia, the hypodermic needle, ultrasound scanning, the refrigerator, the vacuum flask, the toaster, the raincoat, the pneumatic tyre, the bicycle, the flushing toilet, colour photography, universal standard time, and Dolly the sheep. Among other things. Lesley Kennedy goes through all of it in this episode, including the ones you almost certainly did not know were Scottish and the ones that are going to make you look at your kitchen, your bathroom, and your wallet rather differently.

Also in this episode: why Fleming's untidy laboratory was essential to the discovery of penicillin; why John Logie Baird introduced the television using a ventriloquist's dummy called Stooky Bill; ...