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

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.

Edeltraut Hertel - a midwife caught between two worlds. She has been working as a midwife in a small village near Chemnitz for almost 20 years, supporting expectant mothers before, during and after the birth of their offspring. However, working as a midwife brings with it social problems such as a decline in birth rates and migration from the provinces. Competition for babies between birthing centers has become fierce, particularly in financial terms. Obstetrics in Tanzania, Africa, Edeltraud's second place of work, is completely different. Here, the midwife not only delivers babies, she also trains successors, carries out educational and development work and struggles with the country's cultural and social problems.

Trees talk, know family ties and care for their young? Is this too fantastic to be true? German forester Peter Wohlleben and scientist Suzanne Simard have been observing and investigating the communication between trees over decades. And their findings are most astounding.

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As a 10-year-old “Mengele Twin,” Eva Kor suffered some of the worst of the Holocaust. At 50, she launched the biggest manhunt in history. Now in her 80s, she circles the globe to promote the lesson her journey has taught: Healing through forgiveness.

A creative documentary about becoming a parent... and how to reconceive yourself. Fiction director Josh Appignanesi turns the camera on himself and his wife as they undergo the ordeal of becoming parents in the era of man-children and assisted reproduction. Faced with fatherhood, Josh spirals comically into an envious career funk. But life-threatening complications emerge- the couple are tested to the brink, confronting shattering losses. It's a portrait of our generation going through a revolution in reproduction- forced to find new ways to think about ourselves as creative beings. We hear from Slavoj Žižek, John Berger, Darian Leader (20,000 Days) and Zadie Smith. Universal yet still taboo, it's a film for everyone who has children, wants them, or still feels like a child themselves.

When a Mongolian nomadic family's newest camel colt is rejected by its mother, a musician is needed for a ritual to change her mind.

When Harvard PhD student Jennifer Brea is struck down at 28 by a fever that leaves her bedridden, doctors tell her it’s "all in her head." Determined to live, she sets out on a virtual journey to document her story—and four other families' stories—fighting a disease medicine forgot.

This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's Law, the universal law of gravitation, the Doppler Effect, and much more!

In this documentary, Alex trusts his twin, Marcus, to tell him about his past after he loses his memory. But Marcus is hiding a dark family secret.

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and the possibility of other life forming around distant stars.

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.

In 2001, Andrew Bagby, a medical resident, is murdered not long after breaking up with his girlfriend. Soon after, when she announces she's pregnant, one of Andrew's many close friends, Kurt Kuenne, begins this film, a gift to the child.

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.

Woolly Mammoth: Secrets from the Ice is a documentary presented by English anatomist Dr. Alice Roberts that reveals some of the secrets of one of the most widely known extinct animals ever. Humans have been transfixed by the Wolly Mammoth since the end of the last ice age when there were still herds of them roaming the continents of Asia and Europe. Despite many people knowing about the great Woolly Mammoth until recently very little was known about them despite ancient humans living along side them for so long; few documented accounts exist.

Meet Nikola Tesla, the genius engineer and tireless inventor whose technology revolutionized the electrical age of the 20th century. Although eclipsed in fame by Edison and Marconi, it was Tesla's vision that paved the way for today's wireless world. His fertile but undisciplined imagination was the source of his genius but also his downfall, as the image of Tesla as a mad scientist came to overshadow his reputation as a brilliant innovator.

Discovering your womanhood at 33 when you're a feminist is like exploring a new continent as an adventurer. It sparks a desire to embark on a journey, to understand the world around us, to search for ourselves, over and over again. To engage in the new sexual revolution and trace the roots of sexism and gender, questioning whether sexual education in France can prevent future generations from the patriarchy. But are we ready to deconstruct everything?

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcanoes, earthquakes and hurricanes - affect our world, and how a powerful new force - humankind - has begun to alter the face of the planet. From Amazon rain forests to Serengeti grasslands, Blue Planet inspires a new appreciation of life on Earth, our only home.