Amit Katwala discusses with Ivan six things which should be better known.
Amit Katwala is a journalist and author, based in London. He is a writer and editor at WIRED magazine, and has written three books. The latest, Tremors in the Blood: Murder, Obsession and the Birth of the Lie Detector blends true crime, science and history in 1920s San Francisco and 1930s Chicago. He also co-hosts the All Consuming podcast on BBC Radio 4.