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The science behind tornadoes and why they're so deadly

Reuters Logo By By Jeremy Schultz, Reuters of Reuters | Slide 1 of 8: WHAT IS A TORNADO? - Tornadoes, described as a violently rotating column of air touching the ground, are nature�s most violent storms, capable of killing people and wiping out neighborhoods in a matter of seconds, according to the U.S. National Weather Service. REUTERS/Jeff Piotrowski

WHAT IS A TORNADO? - Tornadoes, described as a violently rotating column of air touching the ground, are nature's most violent storms, capable of killing people and wiping out neighborhoods in a matter of seconds, according to the U.S. National Weather Service. REUTERS/Jeff Piotrowski
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