NOVA presents this classroom lesson on the wilder aspects of weather. Sending an intrepid team out to investigate the mystery of lightening, the volatility of tornadoes, and the sheer power of hurricanes, NOVA takes the viewer on an unforgettable ride through some of the more destructive elements of nature. Contains three videos and a teacher's guide.DVD Features:Region 1Keep Case3-Disc SetFull Frame - 1.33LetterboxedInteractive Features: Scene AccessDVD-ROM Features: Web Link Downloadable Materials for Educators