National Geographic Naked Science presents "Super Volcano", the inside documentary of what might happen if the Yellowstone Caldera were to erupt one day. This documentary includes a Yellowstone timeline of past eruptions, how Yellowstone would affect the world, and what impact will it be for the U.S.

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Over a century ago, sponge divers recovered an extremely complex mechanical device from a shipwreck. It was decades before they determined it's purpose, to accurately track the movement of the stars in the night sky. Dubbed the Antikythera mechanism (for the location of the shipwreck from which it came), the device is considered the world's first computer, developed by the Greeks around the 1st century B.C. Scientists continue to marvel at its intricate system of gears which rival that of the most complex Swiss watch.

At this very moment, you could be breathing the same oxygen molecule that Genghis Khan and George Washington did! NGC is putting a unique twist on history by retracing the extraordinary journey of a single molecule of oxygen an adventure that takes place over millions of years. The story begins with the birth of oxygen, moves on to photosynthesis, then travels through the age of the dinosaurs and follows the first steps of early man.

Parallel universes, strange hidden worlds, where an alternative reality exists have haunted science fiction for decades. Parallel universes sound like a myth, but a surprising number of leading scientists believe they are real. National Geographic delves into the mysterious science of other universes and discovers that many of physics most cherished theories actually predict that there are other universes beside our own. But what are they like? Could we ever visit them? And if we did, who or what would we meet? The reality is weirder than any science fiction.

The centuries-old Voynich manuscript has remained an enigma. Filled with bizarre drawings and written in a language that even the best cryptographers cannot decipher, the tome has remained a puzzling mystery. The efforts to decode the book and determine its unknown author continue.

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Bryan Fry has always been intrigued with things that can kill you. Since surviving a near fatal rattlesnake bite this scientist, turned venom hunter, has made it his mission to seek out the worlds deadliest creatures. Each venom he collects may hold the secret to creating life-saving medicines. Now Bryan targets North America and three of its most toxic species.

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A mysterious crash in Roswell, NM during the 1940s convinced many that our planet is being visited by space aliens. Crop circles in Britain have only added fuel to the fire. Few scientists doubt that life indeed exists elsewhere, but some believe we're more likely to make contact via radio waves.

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For 400 million years, sharks have dominated the Earth's oceans. They have survived 5 planetary mass extinctions to become the top predators of the sea, honed to an evolutionary perfection. But what shark species is the most deadly? And where in the world is it least safe to venture in to the water? Naked Science travelled across the world from Australia to California to find out.

The supposed ability of some individuals to mentally transmit and receive thoughts is examined in this hour. Unsubstantiated claims are not proof, so several experiments are conducted to put the phenomenon to the test. This includes exploring the telepathic connection that some twins claim to experience through a series of tests on one twin and recording the other twin's reaction, and a Ganzfeld test where a person in one room attempts to transmit mental pictures to another person in a different room.

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