Kiri Pritchard-McLean witnesses a demonstration of a revolutionary pill on a string that detects throat cancer. She also examines fresh air, and showmanship in medieval surgery. Show more
Discover 11,128,835 listings and 278,294 playable programmes from the BBC
Kiri Pritchard-McLean witnesses a demonstration of a revolutionary pill on a string that detects throat cancer. She also examines fresh air, and showmanship in medieval surgery. Show more