Heal

Five million Americans suffer from Alzheimer's disease and dementia—many of them alone in nursing homes. A man with a simple idea discovers...

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

Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish, and more than 350,000 species of beetles....

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...

It is one of the hottest questions in nutrition, and probably filling your Facebook feed full of articles telling you what you should be eating....

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...

In 1858 Charles Darwin struggles to publish one of the most controversial scientific theories ever conceived, while he and his wife Emma confront...

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and inspired today's technologies, including: cell...

The 2016 Reebok CrossFit Games were a grueling five-day, 15-event test to find the fittest man and woman on Earth. "Fittest on Earth: A Decade of...

In his lifetime, Thomas Merton was hailed as a prophet and censured for his outspoken social criticism. For nearly 27 years he was a monk of the...

Let There Be Light follows the story of dedicated scientists working to build a small sun on Earth, which would unleash perpetual, cheap, clean...

Tobacco, climate change, pesticides,... Never has scientific knowledge seemed so vast, detailed and shared. And yet it appears to be increasingly...