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Are tornadoes getting stronger?
Some of the most expensive tornadoes in American history have touched down in the past few years, leading researchers to wonder whether they're getting stronger. Are tornadoes really becoming more destructive? Read more »
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  • Biello, David. "BP prepares for "top kill" of Deepwater Horizon oil spill." Scientific American. March 25, 2010. (March 21, 2011)http://www.scientificamerican.com/blog/post.cfm?id=bp-prepares-for-top-kill-of-deepwat-2010-05-25
  • Cleveland, Cutler. "Deepwater Horizon oil spill." Encyclopedia of Earth. Dec. 5, 2010. (March 21, 2011)http://www.eoearth.org/article/Deepwater_Horizon_oil_spill?topic=50364
  • "Frequently Asked Questions About Waco." Waco: The Inside Story. PBS Frontline. (March 21, 2011)http://www.pbs.org/wgbh/pages/frontline/waco/topten.html
  • Inman, Mason. "5 Last-Ditch Schemes to Avert Warming Catastrophe." National Geographic News. Sept. 4, 2009. (March 28, 2011)http://news.nationalgeographic.com/news/2009/09/090904-global-warming-fixes-geoengineering.html
  • "Japan struggles to prevent additional nuclear disaster." Catholic Online. March 16, 2011. (March 21, 2011)http://www.catholic.org/international/international_story.php?id=40679
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  • McLaughlin, Elliot C. "Days 1 through 69: How best of man, machine saved Chile's Miners." CNN. Oct. 16, 2010. (March 21, 2011)http://www.cnn.com/2010/WORLD/americas/10/15/chile.mine.rescue.recap/index.html
  • Oberman, Mira. "BP Caps Oil Spill." Discovery News. July 12, 2010. (March 21, 2011)http://news.discovery.com/earth/oil-spill-containment-cap-replacement.html
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