Aarathi Prasad is a biologist and science writer. She has appeared on TV and radio programmes, including as presenter of Channel 4's controversial ‘Is It Better to Be Mixed Race?' and ‘Brave New World with Stephen Hawking', as well as BBC Radio 4's ‘The Quest for Virgin Birth', and written for Wired, the Guardian, and many other publications. Previously a cancer genetics researcher at Imperial College London, she subsequently moved into the worlds of science communication and policy, in areas including passage of the human-animal chimaera stem-cell bill in the UK Parliament. Aarathi's first book is Like a Virgin: How Science is Redesigning the Rules of Sex.

First broadcast on 12th October 2012.