Horizon goes behind the scenes at CERN to follow one of the most epic and expensive scientific quests of all time: the search for the Higgs particle, believed to give mass to everything in our univers...

Meet the world's first 'cyborgs' - a quadriplegic, a blind man, an amputee, a bio-hacker, and a woman with Parkinson's - the scientists who help them, and one entrepreneur who will stop at nothing on ...