The human body is engineered for strength, power and endurance. Bone is sturdy as concrete but flexible enough to resist breaking. It's even light enough to allow us to be quicker off the mark than a racehorse.
British journalist Michael Portillo investigates the psychology of violence. How is it that humans commit violent acts against one another? He visits Mexico try traditional boxing, is forced to stay awake to look after twin babies, and watches as deadly electric shocks are administered to volunteers.
Using dramatic reconstructions, interviews and CGI graphics the programs reconstruct the world of the Neanderthal. Is it possible that through the interbreeding of Neanderthals and Homo sapiens, every person of European descent may have a little bit of Neanderthal in them? And that Neanderthal genes might show up in fundamental traits, like big brains and sociability, that we think of as particularly human?
At a prison in the high desert foothills of the Colorado Rocky Mountains, hardened criminals are taught the training methods of 'horse whisperers' to tame and saddle train wild mustang horses taken from the herd that roams government lands. Failure means one more defeat for the inmate; success could save both lives.
Actor and comedian Eddie Izzard sets out on an incredible personal quest to follow the route of his ancestors in a 200,000-year migration from Africa to Europe. Becoming the first human ever to trace his genes' journey, this spectacular global travelogue starts with a sample of Eddie's DNA.
This groundbreaking series reveals the human body in ways never seen before, taking viewers to a hidden world beneath the skin as we journey across continents and meet those who have pushed their bodies to the max. The latest CGI and camera work depicts their ordeals in vivid detail both externally and through the internal workings of their bodies. Meanwhile our presenter puts his own body through its paces, pushing it to extremes. This episode shows our vision system in living colour from the inside out.