HDA man's struggle against himself and against time. Kenyan runner Eliud Kipchoge dreams of completing a marathon distance of less than two hours. An achievement that is considered unattainable for a human being. Here we follow him as he prepar
HDIn the pantheon of predators, it's one of the greatest discoveries since the T-Rex a snake 48 feet long, weighing in at 2,500 pounds. Uncovered from a treasure trove of fossils in a Colombian coal mine, this serpent is revealing a lost world