This is the poignant true story of twin sisters from China, found as babies in a cardboard box in 2003 and adopted by two separate sets of parents - one from California, the other from a remote fishing village in Norway. Neither of the adoptive parents were told their daughters were twins, but a chance sighting at the orphanage enabled them to keep in touch, until a DNA test proved their hunch had been right.
Professor Marcus du Sautoy goes in search of answers to one of science's greatest mysteries: how do we know who we are? While the thoughts that make us feel as though we know ourselves are easy to experience, they are notoriously difficult to explain. So, in order to find out where they come from, Marcus subjects himself to a series of probing experiments.
Literary genius, celebrated visionary, paranoid outcast: Writer Philip K. Dick lived a life of ever-shifting realities straight from the pages of his mind-bending sci-fi stories. His books have inspired films like Blade Runner, Total Recall, and Minority Report. His work confronts readers with a deceptively simple question: What is reality?
In this first episode, Kate travels to south west Nepal in search of the country's last community of nomads, the Raute people. Almost all of the Raute population has already settled in Nepal and India - just one group of 140 people remain living as nomads. These hunter-gatherers still move camp every few weeks through the steeply wooded hills and mountains in one of the poorest countries on the planet. Life for this last Raute group is increasingly tough, as they face pressure to settle from Nepal's government and hostility from the farmers on whose land they camp.