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Human: The World Within
The Gut Microbiome is the Hub of Our Immune System
The microbiome is the cutting edge of gut science. It's an ecosystem that's made up of trillions of bacteria that instead of making us sick, actually have a big hand in keeping us healthy. When this population of microbes is thriving and in check, it does wonders for the body.
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See how the technology of the brain and nervous system shape our experience of the world.
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52:33
Explore the incredible world of human sensation and how it defines our reality.
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Uncover how the human body defends itself in an increasingly dangerous global environment.
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Journey through the factory at the center of our bodies that turns food into energy.
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See the world beneath the human heartbeat that makes our craziest feats possible.
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Learn the story of human reproduction from attraction to a baby’s first breath.