Bbc Inside Science

What should we be looking for when searching for life on other planets beyond our solar system? Scientists urgently need to come to a consensus on this as a new suite of telescopes soon begins detecting. The space agency NASA has put together a virtual institute called The Nexus for Exoplanet System Science, and they've just met to work out how we should be looking for bio signatures - on the burgeoning catalogue of worlds beyond the Solar System. Adam Rutherford hears from Sarah Rugheimer, an astrobiologist from the University of St Andrews, on why the world's astrobiologists have decided to lay down the law.The Royal Society Insight Investment Book Prize celebrates some of the best science published each year. Today the judges announced their shortlist: The Cure by Jo Marchant; The Gene by Siddhartha Mukherjee; The Hunt for Vulcan by Thomas Levenson; The Invention of Nature by Andrea Wulf; The Most Perfect Thing by Tim Birkhead; The Planet Remade by Oliver Morton. We're talking to all the authors over the