A species of humans in many ways so similar to us, yet very different. An assembled team of experts attempts to recreate Neanderthal. In unparalleled detail, anatomical. Let's find out exactly how modern humans have been raised against our old rival in strength and endurance. And how Neanderthals might have compared with us in the intelligence and inventiveness. At the end of all this we will be able to answer some of the big questions of human evolution.