National Geographic

Marijuana plants grown in a warehouse in Amsterdam. By growing cannabis indoors, it can be cultivated anywhere on the planet. The flowers or buds of the female plant contain the most THC, the psychoactive compound which produces the high that users experience.

National Geographic Documentary

NAtional Geographic Documentary

Cutting-edge medical technology and riveting, life-or-death personal dramas combine in this unprecedented, emotionally compelling exploration of The Incredible Human Body.

Hippos are invading Colombia, thanks to Escobar, and the government must act.

For years psychedelics were forced into the shadows in a de facto prohibition. But today we're learning just how much they can help heal modern ills.

We meet the highest ranked sumo wrestler, Mongolian Asashoryu. and delve into the hidden culture of this ancient sport. Sumo. More than a sport in Japan, it's a religion. Its history goes back 2000 years, with time-honored Shinto rituals and ceremonies originating from the ancient martial art called "Tegoi". Crashing into this tradition-bound world is Mongolian "outsider" Asashoryu. He's a rule-breaker. A rebel. And much to the chagrin of the sumo-crazy Japanese, he's their reigning champion. To add insult to injury, the Americans are even beefing up to join the sport. And now, for the first time in nearly 15 years, Japanese Grand Sumo is coming to ground zero of the outsider invasion. Hawaii - birthplace to Sumo's first foreign-born grand champion, Akebono. Asashoryu is not any Sumo wrestler. He's the "yokozuna" - or highest ranked. The Muhammad Ali of Sumo. With permission from...

Gold has seduced the world for centuries. And the glimmer that has left us lusting is just as tantalizing today. Enticing exploration and adventure, gold has evoked a wide array of emotions from infatuation to insatiable greed. Join National Geographic Channel as we take you through the story of gold throughout time and the process that takes this precious resource from raw mineral to fine jewellery. In this two hour special, you will see why Spanish invaders and African Kings alike spent their lives on a relentless quest for gold.

The dog is the ultimate human creation. With 400 breeds and counting, the dog is more varied in size and behavior than any other species on the planet. National Geographic looks at man's evolutionary manipulation of dogs' appearance, talents and temperament - and the accelerating efforts to create breeds to suit our needs (more than 80 percent of today's breeds did not exist 150 years ago). From desirable traits like supersensitive hearing and smell to the unintended consequences of genetic diseases, learn how nature and man have partnered to deliberately create new and specialized versions of man's best friend.

Why do the bodies of St. Bernadette and those Incorruptibles like her remain untouched by time? From graves throughout Europe, holy bodies have been exhumed by the church – and found to be in a similar state. Few appear as outwardly perfect as Saint Bernadette – yet fresh from the grave their bodies too were whole and intact – apparently resistant to the decay reserved for ordinary humans. Why do the bodies of St. Bernadette and those Incorruptibles like her remain untouched by time? And how has their flesh defied the laws of nature?

She was one of the world's most famous faces, yet no one knew who she was. Her image appeared on the front of magazines and books, posters, lapel pins, and even rugs, but she didn't know it. Now, after searching for 17 years, National Geographic has once again found the Afghan girl with the haunting green eyes.

National Geographic Science Of Interrogation