An interesting Edge article by Michael Gazzaniga ponders the questions of whether humans brains are unique among animals and, if so, what makes them unique. Are the neurons in human brains different from those in other animals? Is the wiring

Robots are making their way into the medical system from surgery to dispensing medicine. Now, they're helping local vets who've had a stroke regain use of their arms and hands.Don Schmidt could be playing a video game. He's not -