A journey back in time to see seven wondrous achievements constructed with simple tools and by human hands. See them as they first appeared and the stories of who built them and why.

Shows the struggles of families with children who have mental or behavioral disorders such as autism, ADHD, or other diagnoses. Therapists from Vanderbilt University School of Medicine and Center for Child Development and Research discuss ways these families can achieve a satisfactory family life.

Filmed six months after Hurricane Katrina and its accompanying flood waters hit New Orleans, this film analyzes why the city flooded and asks the question: should the city be rebuilt on the steadily subsiding floodplain. Experts in various fields look at the situation from several points of view.

Unlike great civilisations such as the Romans and the Ancient Egyptians, the Mayan empire did not arise from the banks of a mighty river. Then why did they populate Yucatan? The Maya believed that the freshwater pools, 'cenotes', dotted across the area were sacred portals to the underworld. They are indeed portals, but not to the underworld rather to an incredible underground labyrinthine systems of rivers. Only now being properly explored and understood,...

"Blue planet is a definitive exploration of our planet's oceans and reveals the sea and its inhabitants at their most fearsome and alluring."--Container

"Whether it is in the emergency room, operating room, or the intensive care unit, physicians absolutely depend on the expertise, creativity, and calm of nurses. This program goes inside these high-stress arenas in Johns Hopkins Hospital to show many of the difficult situations critical care nurses routinely handle"--Container.

Remarkable hidden camera footage captures similarities in body language displayed by people from widely disparate cultures.

David Attenborough journeys to both polar regions to investigate what rising temperatures will mean for the people and wildlife that live there, and for the rest of the planet. David starts out at the North Pole, standing on sea ice several metres thick, but which scientists predict could be open ocean within the next few decades. The Arctic has been warming at twice the global average, and David heads out with a Norwegian team to see what this means...

It's the ultimate engineering project - but just how do you build a planet, a solar system and a galaxy from scratch, and what happens if you get any part of it wrong? This exciting series draws on specially filmed interviews with the world's top scientists and engineers and, starting with the raw materials of gas, dust, ice and metal, uses stunning interactive CGI to show step by step how a world is put together. A cosmic construction foreman supervises...

Every step of the Earth s 940 kilometre, one-year journey around the sun is essential to maintaining life as we know it, giving us the ever-changing weather and seasons that transform our planet. In terms of maintaining life on our planet, 23° is truly the magic number. Without this unique tilt, our world would never experience climatic change the equatorial regions would eternally roast, while the poles would be frozen solid. For the first time...