Every week in Brain Train, an expert is asked about their specialist subject - then the following week, the expert becomes the novice, asking an expert in a totally different subject what they've always wanted to know. This process repeats in a glorious Brain Train!
This episode, killer robot designer James Coglan wants to know whether he can harness the power of insect intelligence to carry out his evil plans. Elli Leadbeater from Royal Holloway University stalls for time until the cops arrive.