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All Episodes


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


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


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


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


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


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

About Human: The World Within

Explore the incredible universe inside each and every one of us. An examination of diverse personal stories from around the world reveals how our lives, passions and goals are powered by the amazing systems that define our biology as a species.

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