The Real Death Star

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Since it explored Pluto in 2015, the New Horizons spacecraft has been zooming toward NASA's most distant target yet. Join the mission team as the probe attempts to fly by Ultima Thule, an object 4 billion miles from Earth.

Sniper: Bulletproof deconstructs and analyzes the little-known sniper events that have occurred when no other course of action was possible. The people who planned the takedowns, or pulled the trigger, share their techniques and bring to light the many factors that had to be considered in each mission: terrain, wind speed, temperature, elevation changes... all are critical to taking out targets considered bulletproof. A sniper has one chance, one breath, to rise to the occasion and save the day... if they miss, there may never be another opportunity. As these never told before stories unfold, the viewer also learns about the high-tech gear each sniper carries on their classified missions.

This film consists of three parts. The first dramatizes the life of the founder of Soviet astronautics, Konstantin Tsiolkovsky; the second describes the development of rocket technology; and the third visualizes the future with enactments of the first manned spaceflight, spacewalk, space station construction and humans on the moon.

When the U.S. trade embargo left Cuba isolated from medical resources, Cuban scientists were forced to get creative. Now they've developed lung cancer vaccines that show so much promise, some Americans are defying the embargo and traveling to Cuba for treatment. In an unprecedented move, Cuban researchers are working with U.S. partners to make the medicines more widely available.

This 90-minute documentary brings to life Gavin Pretor-Pinney’s international bestseller, “The Cloudspotter’s Guide”, which draws on science, meteorology and mythology for a magical journey through the world of clouds. It is no dry treatise on the science of nephology but a playful trip through the varied beauty and distinctive personalities of the ten principal cloud types From the ethereal cirrus to the terrifying cumulonimbus, the film tells the story of the short but eventful life of clouds and their importance to our planet. Find out how immense quantities of water can stay up in the sky for so long and how lightning and thunder are created.

Peter Westerveld, artist and visionary, doesn’t want institutions to resolve the problems linked to earth’s problems. Growing up in Africa, he witnessed the advance of the desert and dedicated himself to finding solutions for the ongoing erosion and desertification of the land. The film follows Peter and the NGO working with him to realise his project; to build contour trenches that capture and store rain water under the surface and replenish the desert land.

Dr George McGavin and Dr Zoe Laughlin set up base camp at one of the UK's biggest sewage works to investigate the revolutionary science finding vital renewable resources and undiscovered life in human waste. Teaming up with world-class scientists, they search for biological entities in sewage with potentially lifesaving medical properties, find out how pee can generate electricity, how gas from poo can fuel a car and how nutrients in waste can help solve the soil crisis. They follow each stage of the sewage treatment process, revealing what the stuff we flush can tell us about how we live today, and the mindboggling biotechnology being harnessed to clean it, making the wastewater safe enough to return to the environment.

A documentary film that takes us on a scientific and spiritual journey where we discover that by changing one's perceptions, the human body can heal itself from any disease.

William Shatner sits down with scientists, innovators and celebrities to discuss how the optimism of 'Star Trek' influenced multiple generations.

Darwin's great insight – that life has evolved over millions of years by natural selection – has been the cornerstone of all David Attenborough’s natural history series. In this documentary, he takes us on a deeply personal journey which reflects his own life and the way he came to understand Darwin’s theory.

Of the Seven Wonders of the Ancient World, the Pyramid is the only one to survive. Many believe that even with our 21st-century technology, we could not build anything like it today. Based on the most up-to-date research and the latest archaeological discoveries, here is how the Pyramid came to be.

This film shows how far we have come since the cold-war days of the 50s and 60s. Back then the Russians were our "enemies". And to them the Americans were their "enemies" who couldn't be trusted. Somewhere in all this a young girl in Oklahoma named Shannon set her sights on becoming one of those space explorers, even though she was told "girls can't do that." But she did.

An exploration of the territorial complexities of the emerging astro-industry in the Chilean Desert.

In The Womb is a 2005 National Geographic Channel documentary that focus on studying and showing the development of the embryo in the uterus. The show makes extensive use of Computer-generated imagery to recreate the real stages of the process.

A breathtaking adventure across five continents and through time to reveal nature's most vital secret. Watch a flying fox gorge itself on a midnight snack of figs. Climb into the prickly jaws of insect-eating plants. Witness a mantis disguised as a flower petal lure its prey to doom.

A documentary about the 1999 discovery of a Mastodon skeleton in a Hyde Park backyard.

To the Least of My Brothers and Sisters is a new documentary on the life of Jerome Lejeune, the Father of Modern Genetics that was made to celebrate the 20th anniversary of his death. Filmed on two continents, it contains numerous interviews with former colleagues, families, current medical researchers, and others, all who express the importance of Jerome Lejeune in both the history of medicine and the defense of the dignity of human life.

Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the origin of human life, offers evidence and theories to support such a thesis in this PBS special. He claims that Africa was populated by only a few thousand people that some deserted their homeland in a conquest that has resulted in global domination.

Featuring Michael Pollan and based on his best-selling book, this special takes viewers on an exploration of the human relationship with the plant world — seen from the plants' point of view. Narrated by Frances McDormand, the program shows how four familiar species — the apple, the tulip, marijuana and the potato — evolved to satisfy our yearnings for sweetness, beauty, intoxication.