Sand Dunes Shouldn't Exist (Here's Why They Do)
How can sand, blown by the wind, form such intricate and beautiful patterns as ripples and dunes? The answer is a surprising secret of self-organization. In this video, we travel to Great Sand Dunes National Park in Colorado to climb the largest sand dunes in North America and bring you the science of how wind and sand combine to create ordered landforms out of chaos. The science must flow.
Trailer
Recently Updated Shows
Holmes Family Rescue
Mike Holmes has been making it right for years, and now it's a family affair. Mike's daughter Sherry and son Michael share their own dedication and expertise as they join forces to rescue homeowners from botched construction jobs and renovation fatigue.
Jeopardy!
Jeopardy! is a classic game show -- with a twist. The answers are given first, and the contestants supply the questions. Three contestants, including the previous show's champion, compete in six categories and in three rounds (with each round's "answers" being worth more prize money).
It: Welcome to Derry
Taking place in the ‘60s, the show explores the origins of the curse that would haunt the small Maine town for the next 27 years — as well as the origin story of Pennywise the Clown.
Rick and Morty
Rick is a mentally gifted, but sociopathic and alcoholic scientist and a grandfather to Morty; an awkward, impressionable, and somewhat spineless teenage boy. Rick moves into the family home of Morty, where he immediately becomes a bad influence.
Big Brother
Big Brother follows a group of people living together in a house outfitted with dozens of high-definition cameras and microphones recording their every move, 24 hours a day. Each week, the Houseguests will vote someone out of the house. At the end, the last remaining Houseguest will receive the grand prize of $500,000.