Season 11, Episode 3 Life's Really Big Questions

First Aired: December 19, 2000

Host Alan Alda asks scientists some of life's really big questions. Among them: What caused life to become “interesting” enough to lead to humans? What makes us human? Will robots ever outgrow their need for us? Are we alone in the universe? The answers: Not so fast. “Big questions don't always have answers,” Alda chuckles. “That's what makes them big.” But there are suppositions, including a “biological big bang” some 600 million years ago.

Cast & Details See all »

  • Rating: TV-G
  • Premise: 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.… (more)

Show More »

Trending TonightSee all »

Watch This

Phil Keoghan, The Amazing Race 29
5 Things to Watch Today – March 30, 2017

The Amazing Race returns