Artificial intelligence. It’s long been the stuff of science fiction, but it’s inching closer to becoming science fact. Around the world scientist are working on computers and robots to try to make them think for themselves. In Oslo, Norway, a team of experts are making robots that figure out for themselves the best way of getting around — and they’ll 3D-print their own body parts too. But will they take over the world? Here is my report for Spectrum on Deutsche Welle Radio: