Have you ever spaced out while traveling somewhere but still made it to your destination effortlessly? Our brain is amazing at calculating exactly where we are relative to things around us, but this is a skill we often take for granted. In this episode, Producer Sama Ahmed talks with Dr. Michael Yartsev about how we know where we are in the world, how we make memories, and how we make decisions. Dr. Yartsev is uncovering all of this utilizing a rather unconventional and totally awesome animal: the bat! This episode is a re-release of an episode from 2013.