The more researchers learn about the great apes—chimpanzees, bonobos, gorillas, and orangutans (see Our Family Tree)—the more evidence they find of creative intelligence. What, then, is the essential difference between us and them? ''Ape Genius,'' a NOVA-National Geographic special, explores that provocative question and examines ...

This December, public television stations across the country will air a special program that explores the brains amazing ability to change throughout a persons life. This phenomenon, called neuroplasticty is the science behind brain fitness, and it has been called one of the most extraordinary scientific discoveries of the 20th century. ...

PBS Nova, Evolution pt6: The Mind's Big Bang documentary.

Why do we need sleep? Part of the answer may be to strengthen memories.