In the 200th episode of The Life Scientific, Jim Al-Khalili finds out why Demis Hassabis wants to create artificial intelligence and use it to help humanity. Thinking about how to win at chess when he was a boy got Demis thinking about the process of thinking itself. Being able to program his first computer (a Sinclair Spectrum) felt miraculous. In computer chess, his two passions were combined. And a lifelong ambition to create artificial intelligence was born.