Follow Alex Honnold as he becomes the first person to ever free solo climb Yosemite's 3,000ft high El Capitan Wall. With no ropes or safety gear, he completed arguably the greatest feat in rock climbing history.
Kate Humble journeys to the far north of Siberia in the teeth of the Arctic winter to travel with the Nenets. These reindeer herders spend their lives migrating with the seasons up and down the Yamal Peninsula, following their herds from pasture to pasture. But it's a tough and precarious existence, living in temperatures that can drop to -54C. And the extremes soon take a toll on Kate - a lover of warm weather - and her crew, when on the way to meet their Nenets family their vehicle breaks down and they're forced to abandon their plans.
Sex is a simple word for a very complex set of desires. It cuts to the core of our passions, our wants, our emotions. But when it goes wrong, it can be the most painful thing of all. Professor Alice Roberts looks through 45 years of Horizon archive to see how science came to understand sex, strived to solve our problems with it, and even help us to do it better. Can science save the day when sex goes wrong?
2013 • People