Great Debates

  • Debating Life´s Boundaries
    The panelists toss around the question of how to define 'life,' and wonder if we should even bother with definitions at all.
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  • The Basic Rules of the Universe
    Pascale Ehrenfreund peeks into the heart of the universe to find clues for life elsewhere.
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  • What is Life?
    Pam Conrad touches on the practical aspects of searching for life, while Carol Cleland takes a more philosophical approach.
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  • Life as We Don’t Know it: The Dialectic Game
    Steve Benner plays with the belief that water is necessary for life.
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  • Life as We Don't Know it: The Dialectic Game
    Steve Benner plays with the belief that water is necessary for life.
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  • Launching the Alien Debates
    Peter Ward tells how he was booed at a science fiction convention, and Neville Woolf has a conversation with his computer.
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  • Leaving Home
    The noted science fiction writer Arthur C. Clarke had been scheduled to attend the Terraforming Debate via telephone, but human technology failed. This segment introduces Clarke´s thoughts about the possibility of making Mars more like home.
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  • Planetary Uncertainty Principle
    After the Terraforming Debate ended, some of the panel members continued to discuss the implications of humans living on Mars.
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  • The Martian Future
    Scientists and Science Fiction writers answer more audience questions, such as whether we should leave Mars as it is, rather than turning it into another Earth.
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  • Living on Mars
    At the 2004 Astrobiology Science Conference, scientists and science fiction writers faced off in front of a packed house to debate the promise and pitfalls of terraforming Mars. In this segment, the panel answers audience questions.
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