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    45 seconds
    Clip: The Edge of Evolution Clip: [The Edge of Evolution] - Created by an anonymous C-SPAN Video Library user
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    1 minute
    Clip: Book Discussion on The Edge of Evolution Clip: Book Discussion on [The Edge of Evolution] - Created by an anonymous C-SPAN Video Library user
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    33 seconds
    Clip: The Edge of Evolution Clip: [The Edge of Evolution] - Created by an anonymous C-SPAN Video Library user
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    1 minute
    Clip: The Edge of Evolution Clip: [The Edge of Evolution] - Created by an anonymous C-SPAN Video Library user
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    31 seconds
    Clip: The Edge of Evolution Clip: [The Edge of Evolution] - Created by an anonymous C-SPAN Video Library user
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    1 minute
    Clip: The Edge of Evolution Clip: [The Edge of Evolution] - Created by an anonymous C-SPAN Video Library user