David visits Mike —a sailor to learn about knots. Did you know Mike has literally sailed around the world? It’s true. This guy knows knots. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and …

How far will David Rees go in the name of science? ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the …

David Rees stops to ponder the act of digging a hole. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the …

David visits Maine to check out lake ice. He meets Ken and Ken’s mustache. He also learns what makes lake ice so crystal clear. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, …

David visits a company that makes the world’s most incredible water filter that creates ultra-pure water. He then finds out that he cannot taste it. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and …

David designs his perfect hole and discovers what combination of dirt is best for his hole. Then, things get weird…and wormy. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets …

David gets some bad news about the design of his Party Hole. So he goes to a place where they make holes that don’t murder people. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, …

Don’t be fooled by the way they laze on the beaches of South Georgia. Elephant seal bulls are superpowered creatures that can dive deeper than a sperm whale. And they’re quick to defend their harems when other males come prowling around. On a recent expedition aboard the National Geographic Explorer, …

Chicago recently suffered a bloody holiday weekend as more than 60 people were shot and 9 are reported dead. With police forces lacking manpower and crime on the rise, the city has been nicknamed Chi-raq due to the war zone of gang violence. But what caused Chicago to be as …

Jimmy and Glee-star Chris Colfer face-off against Halle Berry and Steve Higgins in a game of charades. Part 2 of 2. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Facebook.com/JimmyFallon …