Meet Sarah Gordon, our first guest. Sarah is the founder and chief executive of Satarla, a risk consultancy and training organisation; she has a background in exploration geology and is also a Trustee of the Geological Society in London. Forthright, energetic and witty, Sarah has strong ideas about the need for geoscience to embrace wider social goals. But she kicks off the conversation with the story of how her career in geoscience began, including a starring role for a visitor from outer space…