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.

Brain Train driver Alice Bell steps aside and hands her whistle over, as our new co-host, museums polymath Rachel Souhami, steps up to the plate. It’s like when The Doctor regenerates. In her inaugural episode, Rachel asks programmer James Coglan whether computers are going to kill us all, and...

On the eve of the Scottish Referendum, (thoroughly) modern historian Charlotte Riley ask pure mathematician Chris Good about the fairness of voting systems, host Alice Bell steers them onto sewage, badgers and her aunts, and Chris wonders aloud whether he'll ever see a locally compact first...