Secrets of the perfect soccer penalty revealed

With penalty kicks about to take on a new level of importance at the World Cup, a British sports scientist says he has advice for coaches whose teams are moving through to the next round. Ken Bray at the University of Bath says his research shows that there are three stages to taking the perfect soccer penalty, information that could be crucial during the forthcoming knockout round, where sudden death shootouts could decide a team's ultimate fate. Jim Drury went to meet him. Credit to Reuters.