Scientific American Frontiers

Science, technology and nature are examined with insight, humor and an eye on the practical, with smartly paced reports on such subjects as the big-bang theory, robots, the relationship between stress and illness, and whether we are alone in the universe. There's a good deal of fascinating information, but as long-time host Alan Alda notes in one episod (more…)Science, technology and nature are examined with insight, humor and an eye on the practical, with smartly paced reports on such subjects as the big-bang theory, robots, the relationship between stress and illness, and whether we are alone in the universe. There's a good deal of fascinating information, but as long-time host Alan Alda notes in one episode, `big questions don't always have answers.'