Stonehenge was shaped over centuries, but to what purpose? Was it a temple to the sun, or the moon, an astronomical calendar, or a shrine to dead ancestors? Now Stonehenge may be about to give up some of its secrets. For the first time in nearly half a century a new archaeological dig the sacred stone circle. And the men who are leading the excavation are well aware of the significance of this moment.
The film exposes an investigation into a radical theory that Stonehenge, far from being a place of burial as is commonly assumed, was in fact a place of healing. The investigation takes in forensic testing of bones excavated over the past decades and hard-won permission for the first dig in 50 years at the Henge, watched live online by millions of viewers around the world. Does the theory of the healing stones bear up to modern-day forensic science?

Grasslands cover one quarter of all land and support the vast gatherings of wildlife, but to survive here animals must endure the most hostile seasonal changes on the planet. From Asia's bizarre-looking Saiga antelope to the giant anteaters of Brazil, grassland animals have adapted in extraordinary ways to cope with these extremes. In the flooded Okavango, lions take on formidable buffalo in epic battles, on the savannah bee-eaters take advantage of elephants to help catch insects and, on the freezing northern tundra, caribou embark on great migrations shadowed by hungry Arctic wolves.

A look at the very real impact the Back to the Future movies have had on our culture. What was once a little idea that spawned a tightly-focused documentary has grown into something truly amazing over two years of filming. Back in Time is a cinematic monument to the vastness of the trilogy's fandom. In addition to the footage and interviews revolving around the time machine itself, the crew found that simply by delving into the impact of the trilogy an epic journey began to unfold before them. The crew captured countless hours of footage during filming. From Steven Spielberg to Robert Zemeckis and Bob Gale, to the Sheas and Hollers, and from James Tolkan and Lea Thompson to Christopher Lloyd and Michael J. Fox, Back in Time features interview after interview that simply must be seen.

Death is life's greatest certainty. But that may be about to change. Scientists have discovered an immortal animal that may hold the secret of endless regeneration. They're on the brink of editing our DNA so that we can cure ageing like a disease. Or is dying necessary for the survival of our species?

the rise and fall of a tech industry prodigy. Interviews with his friends and loved ones paint a portrait of Swartz as a martyr of freedom of information and hail his fight for the public's right to access tax-funded academic and scientific research, culminating in a personally devastating two-year Federal lawsuit." An avid researcher who had previously accessed otherwise private databases, Swartz, acting "in the grand tradition of civil disobedience to declare... opposition to this private theft of public culture" used MIT computers to access tax-funded research that would otherwise be held privately by for-profit publishers, an incident many viewers may remember from national headlines just a few year ago. Though neither MIT nor the digital repository Swartz accessed pressed charges, a US Attorney stepped in and filed a 13-count felony charge against Swartz, threatening him with over $1 million in fines and up to 35 years of jail time. Despite the defense of his peers, these events launched Swartz into a two-year long downward spiral of withdrawal and depression. Aaron Swartz's untimely death at the age of 26.

What if you could combat aging and discover the full potential of the human body? Global movie star Chris Hemsworth, despite being in peak superhero-condition, is on a personal mission to learn how to stay young, healthy, strong, and resilient. Undergoing a series of epic trials and extraordinary challenges in order to understand the limits of the human body, he'll learn firsthand how we can live better for longer by discovering ways to regenerate damage, maximize strength, build resilience, supercharge memory and confront mortality.
Ever since his teenage years, stress has been part of Chris’s life, and he wants to learn how to deal with it better. Psychologist Modupe Akinola challenges him to stay calm during a terrifying walk along a crane that’s projecting out from the roof of a skyscraper. Modupe will train Chris in powerful physical and psychological techniques we can use to control the stress in our lives and combat the risk it poses to long-term health.