Jessie "Little Doe" Fermino, a Mashpee Indian, is working to revive the Wampanoag language.
Visiting Assoc. Prof. Irene Pepperberg says her African Gray parrot is so smart she is now teaching him to go online.
Prof. Kenneth Wexler, who studies how children learn to communicate, pinpoints a language disorder that afflicts hundreds of thousands of children.
Good communication is a world-class challenge