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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.
Discoveries: Toxic Hurricane (1:05)
After the winds of Hurricane Katrina died down, the Gulf Coast was left with a toxic mess. Learn more about cleaning up our environment in this video.
What Are the Odds? Earthquake (2:53)
What are the odds there will be an earthquake in the next 100 years? Learn more about the probability of earthquakes in this video.
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 »


