Human: The World Within

What’s going on inside you? Astounding scientific answers about essential human body systems become downright personal through the stories and inner workings of real people. Go deep inside the human brain and nervous system of a cell-tower climber. Plumb the physical and emotional hearts of a woman in labor. Navigate the gut ecosystem of a religious faster and an ultra-marathon runner. You’ll fend off microscopic threats to an Ebola survivor and cancer patient … use your senses to experience the world of a cave explorer and a musician … and discover what’s shared and what’s unique about your birth. Watch and stretch your world! 6 hours on 2 Discs SDH -- Episode 1: ReactHow do you react to the world around you? Through the lens of a boxer, a first responder, a cell tower climber and a man with a bionic limb, we'll go deep into the universe of the most powerful machine on earth: the human brain and the vast nervous system it controls.Episode 2: PulseWhat's behind a pulse? This episode di