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Dr. Adaora Okoli sees a patient at the hospital. New Orleans, La.
Courtesy of Ben Cannon
Dr. Adaora Okoli sees a patient at the hospital. New Orleans, La.

Stream or tune in Wednesdays, May 5 - June 2, 2021 at 10 p.m. on KPBS 2

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.

The series premieres Wednesday, May 5 with two back-to-back episodes from 10 p.m - Midnight, then continues Wednesdays from May 12 through June 2, from 10-11 p.m.


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.


“Pulse” airs Wednesday, May 5 at10 p.m. on KPBS TV - Dive into the world of an ice climber, a bus driver, a woman in labor and a senior dance club to show how the human heart and the circulatory system power our physical and emotional lives and create the pulsing rhythm of our world.

“Birth” airs Wednesday, May 5 at 11 p.m. on KPBS TV - Go on a journey with parents who are preparing for babies to see how our bodies create and sustain new life. Through their stories, we learn about what is fundamentally shared and absolutely unique about the experience of birth.


“Fuel” airs Wednesday, May 12 at 10 p.m. on KPBS TV - Through the worlds of a religious faster, an ultra-marathon runner, a farmer and a young girl beating allergies, go deep into the world of the human gut, which processes the fuel our bodies need to keep going.

“Defend” airs Wednesday, May 19 at 10 p.m. on KPBS TV - Look at a nature survivalist, rancher twins, a doctor who survived Ebola and the recipient of a cutting-edge cancer therapy to uncover the wildly advanced biology that keeps us alive against all odds.

“Sense” airs Wednesday, May 26 at 10 p.m. on KPBS TV - 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.

“React” airs Wednesday, June 2 at 10 p.m. on KPBS TV - Through the lens of a boxer, a first responder, a cell tower climber and a man with a bionic limb, go deep into the universe of the most powerful machine on earth: the human brain and the vast nervous system it controls.

Watch On Your Schedule:

HUMAN: THE WORLD WITHIN will stream simultaneously with broadcast and be available on all station-branded PBS platforms, including and the PBS Video App, available on iOS, Android, Roku, Apple TV, Amazon Fire TV, Android TV, Samsung Smart TV and Chromecast.


Produced by Stephen David Entertainment, Banijay Group Company, for PBS. Stephen David, Jonathan Soule, Tim W. Kelly and Charles Marquardt are executive producers. Alexander Shaheen and Dan Bromfield are series producers. The program is narrated and hosted by Jad Abumrad. Executive in charge for PBS is Bill Gardner.