60 Minutes — Episode 40: Into the Wild: The Great Migration/The Secret Language of Elephants/B-Rex

You are watching the episode Into the Wild: The Great Migration/The Secret Language of Elephants/B-Rex "The Great Migration" rebroadcasts a looks at a massive animal migration in East Africa. "The Secret Language of Elephants" rebroadcasts a segment on scientists who are trying to understand Elephant speech. "B-Rex" rebroadcasts a profile of a paleontologist who is interested in recreating dinosaurs.