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How Tornadoes Work (6:30)
Tornadoes are one of the most violent type of storms, with 800 each year in the U.S. Learn more about tornadoes in this video from Discovery.
Violent Storms: Tornadoes (2:15)
How do tornadoes work? Find out more about tornadoes in this HowStuffWorks video.
Earthquakes: The Science of Earthquakes (4:20)
Earthquakes are caused by plate tectonics and faults.
Tsunami Science: Survivors (2:15)
A tsunami survivor tells his story. Learn more about global disasters in this video.
Tornadoes Rip Across MidWest U.S. (0:38)
Watch this video about tornadoes on HowStuffWorks. In rural Oklahoma a twister killed a man and his wife when it struck their farm house. A woman in Colorado was killed when she was caught in a tornado more than 600 feet wide. See how tornadoes work... More »


