Hypersonic travel, dementia, and a man who almost died eating a chili pepper

Malcolm and Andrew were joined by Jamini Thakrar and Alfie Wearn and conversations ranged from hypersonic travel around earth to dementia. We talked about the salty, icy lakes on Earth that might give us clues to life in the oceans of Jupiter's moon Europa and Pint of Science, the festival that brings all the wonderful work being done by scientists in cities around the world to you, in the company of a pint.