Cordelia Fine debates the effects of testosterone. Adrian Owen explores the \u201cgrey zone\u201d of consciousness. Curator Matt Kimberley and Jahnavi Phalkey discuss scientific discoveries made in India and how they should be displayed at the London Science Museum. Plus Chair of the Judges for the Royal Society Science Book Prize Richard Fortey joins in the round table with presenter Matthew Sweet exploring whether it\u2019s good to personalise science stories.