January 13, 2011 • 1h
Engineers wondered if a plane that operated solely on solar power could be built. Their efforts over a decade result in the Solar ...Read more
January 20, 2011 • 1h
Over a century ago, sponge divers recovered an extremely complex mechanical device from a shipwreck. It was decades before they de...Read more
February 4, 2011 • 1h
The centuries-old Voynich manuscript has remained an enigma. Filled with bizarre drawings and written in a language that even the ...Read more
May 12, 2011 • 1h
At this very moment, you could be breathing the same oxygen molecule that Genghis Khan and George Washington did! NGC is putting a...Read more
May 23, 2011 • 1h
Parallel universes, strange hidden worlds, where an alternative reality exists have haunted science fiction for decades. Parallel ...Read more
May 26, 2011 • 1h
Bryan Fry has always been intrigued with things that can kill you. Since surviving a near fatal rattlesnake bite this scientist, t...Read more
August 19, 2011 • 1h
Go on an action packed, hi-tech fishing expedition with the Sea Strikers. When the ocean's top predators strike, their prey doesn'...Read more
June 9, 2011 • 1h
The 1991 eruption of Japan's Mount Unzen, which killed 43 people, including three volcanologists, is recalled. Included: archival ...Read more
August 25, 2011 • 1h
Episode 17 of Season 8 premiered on August 25, 2011