I am speaking at the Royal Institution on Monday 27 April, 7-8.30pm. Details avaiable here.
Comments have been closed for this article.
Tim Harford is an author, columnist for the Financial Times and presenter of Radio 4's "More or Less".
Learn More ›
Enter your email address to receive notifications of new articles by email (you can unsubscribe at any time).
Join 169,338 other subscribers
Copyright © 1999-2019 Tim Harford. All rights reserved.
Articles Archive • Photos by Fran Monks