From www.youtube.com - February 5, 2012 4:37 AM

In September 2011, an international group of scientists has made an astonishing claim -- they have detected particles that seemed to travel faster than the speed of light. In this film, Professor Marcus du Sautoy explores one of the most dramatic scientific announcements for a generation. In clear, simple language he tells the story of the science we thought we knew, how it is being challenged, and why it matters.