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NOVA - Hunt for the Supertwister

Hunt for the Supertwister Hunt for the Supertwister
Tornado-chasing scientists with an eye to better forecasting risk their lives to plumb the secrets of nature's most terrifying killer.
http://video.pbs.org/widget/partnerplayer/1464304382/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false Tornado-chasing scientists with an eye to better forecasting risk their lives to plumb the secrets of nature's most terrifying killer. /episodes/get/2355 /episode/2355 NOVA: Hunt for the Supertwister /episode-player/2355
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