Breakthrough Prize: Facebook boss wants 'more heroes'
Some of the world's richest internet entrepreneurs, including Facebook founder Mark Zuckerberg, have announced plans to create the largest annual prize in science history.
Mr Zuckerberg has joined forces with senior officials at Google and Apple to create the Breakthrough Prize, aimed at encouraging more young people to take up science.
Speaking to the BBC's David Willis, he explained why he supported the initiative.
21 Feb 2013