Through the ages, snakes have symbolized not only evil, but also wisdom, health and life — a constant source of both revulsion and fascination.

Silent — and only sometimes deadly — snakes come in one basic shape, but a wide range of sizes. Whether they are small as a pencil or tall as a pillar, the world’s 2,500 snake species have slithered their way around the world — and they may soon conquer other worlds as well. NASA scientists are working on robotic snakes that can negotiate even the toughest extraterrestrial terrain.

Masters of disguise, stealth and sophisticated weaponry, snakes may well have a thing or two left to teach us, once we have uncovered The Whole Story.

Video Language: English
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