<div><div><div><div><div><div><div><div><div><div><div><div><div>This episode, University of Edinburgh PhD candidate Mia Belle Parkinson chats with Dr Robert Hazen from the Carnegie Institution for Science.&nbsp;We talk about the theory behind the second arrow of time and how it relates to astrobiology, Bob's serendipitous path into becoming a prominent science communicator,&nbsp;what it meant to be a professional trumpet player while being a scientist, and his awesome trilobite collection.</div><div></div></div><div></div></div><div></div></div><div></div></div></div></div></div></div><div></div></div></div></div><div></div></div>