Explore 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.

  • Fred Vigeant
Watch Human: The World Within begins Wednesday, May 5 at 9pm on WITF. You can stream WITF TV live on our website and through the PBS Video app on Roku, Apple TV and iPhone and Android smartphones. The program is also available on-demand through the PBS Video app.


Take a deep dive into the incredible universe that’s inside the body to discover the biology that all humans share: heart, brain, eyes, blood and tears.

Human: The World Within uncovers the science behind how our bodies work and how what’s inside powers every moment of our lives. Jad Abumrad, host of the popular podcast RadioLab, narrates the journey through this foreign universe and reveals what makes us tick.

Human: The World Within premieres Wednesday, May 5 with two back-to-back episodes starting at 9pm, then continuing Wednesdays through June 2 at 10pm.

In the new science series, the personal profiles of a diverse group of people from around the world become entry points into the inner workings of six bodily systems: nervous, circulatory, digestive, immune, sensory and reproductive.

Experts at the vanguard of science and medicine show how the fantastic feats humans are capable of trace back to the body’s incredible resilience.

Human: The World Within airs on WITF beginning May 5 at 9pm with two episodes. Then weekly on Wednesdasys for the following for weeks at 10pm.

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