While Thomas Edison's cylinders were the first to play recorded sound, they were impractical – leading Emile Berliner to come up with a better way to play music: The gramophone, invented in 1887, which played flat discs. Jane Pauley reports.
Thanks to decades of conservation efforts, black bear populations are rebounding across the U.S. In Arkansas, hunters talk about their annual black bear hunt — a practice they acknowledge is complicated and contentious, yet central to their way of life.
