This talk was given at a local TEDx event, produced independently of the TED Conferences.Why are there two rock songs about lithium but none about, say, beryllium? In a talk at once funny, profound, and educational, Ben Lillie weaves a tale about the origin of the mysterious element we know as lithium.Ben Lillie is a former particle physicist and the director of The Story Collider, a live series that features true stories about science.