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ScienceCasts: April is the Cruelest Month

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Published on Apr 12, 2012

Visit http://science.nasa.gov/science-news/... for more.

One year after the historic tornado outbreak of April 27-28, 2011, researchers say they've learned a few things about deadly twisters. This week's ScienceCast presents some of the scientific findings that emerged from the swath of destruction.

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