Aarathi Prasad is a biologist and science writer. She has appeared on TV and radio, 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,TheGuardian, 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. A single mother, Dr Prasad lives in London.