Wires. Bronze Age tools. The Statue of Liberty. What do all of these have in common? Copper! Ed Bunker is a PhD researcher at the University of Bristol where he studies the formation of porphyry copper deposits. In this episode he chats to old university pal Eleni about his fieldwork on an active mine in Chile. Listen along to find out what its like to work in one of the driest places in the world, and why being able to speak football can be as important as speaking the local language.