Guest: Christopher Cokinos.

From rogue scientists to amateur stargazers, plenty of people all throughout history have been fascinated by the phenomenon of "falling stars." Today on Focus, we're joined by award-winning writer Christopher Cokinos to talk about his recent book, The Fallen Sky: An Intimate History of Shooting Stars. Cokinos provides anecdotes from Antarctica to outer space to tell the story of how the study of meteorites became part of modern astronomy.