Human: The World Within

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  React

  See how the technology of the brain and nervous system shape our experience of the world.

  52:30
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  Sense

  Explore the incredible world of human sensation and how it defines our reality.

  52:33
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  Defend

  Uncover how the human body defends itself in an increasingly dangerous global environment.

  52:33
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  Fuel

  Journey through the factory at the center of our bodies that turns food into energy.

  52:33
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  Pulse

  See the world beneath the human heartbeat that makes our craziest feats possible.

  52:30
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  Birth

  Learn the story of human reproduction from attraction to a baby’s first breath.

  52:30