An astonishing journey revealing the awesome power of the natural world. Over the course of one single day, we track the sun from the highest mountains to the remotest islands to exotic jungles. Breakthroughs in filmmaking technology bring you up close with a cast of unforgettable characters. Told with humor, intimacy and a jaw-dropping sense of cinematic splendor.

Sometimes hilarious, sometimes heartbreaking THE DARK MATTER OF LOVE fuses the story of the Diaz family learning to love with extremely rare archive footage of science experiments that explore parent child love. The science of love has an intriguing and dark past. Experiments on monkeys, birds and even human children have contributed to science's knowledge of love's inner workings. Director Sarah McCarthy weaves extraordinary footage of these experiments...

From a seething ocean of radioactive and molten rock to a refuge for life as we know it, Earth has undergone a staggering series of cataclysmic transformations in its long and epic history. Assailed relentlessly for millions of years by meteorites, our once toxic and hostile planet has been covered in water and in ice, and seen the rise and sundering of continents, the creation of an atmosphere, and, ultimately, the beginning of life. Travel to remote...

Best-known for his portrayal of the cantankerous title character in the global phenomenon Doc Martin, fan favorite Martin Clunes shows a softer side in these five documentaries about animals. Filmed all over the globe, these programs are a fascinating peek at some of the world's most beloved (and some of the most endangered) creatures.

24 lectures describing the historical development of mathematics.

Takes you on a twisting journey down the great rivers of the world, pausing to visit the thriving realm of freshwater ponds. Travel upstream to find civilization's source - then down again to see the key to our very survival.

The Standard Deviants introduce the fundamental terminology of astronomy and discuss its history, covering the contributions of such figures as Plato, Ptolemy, Nicolaus Copernicus, and Johannes Kepler.

Explains how volcanoes form, locates volcanoes around the world and visits Hawaii to film lava in motion.

A sweeping overview of past space accomplishments, current activities and future plans. Using the most spectacular space footage; including unique views of Earth and operations in space; such as deploying and repairing the Hubble Space Telescope. Then goes on to show how the Shuttle launched and assembled the International Space Station (ISS).