NOVA | scienceNOW | Hurricane Katrina | PBS

View video footage of ravaged wetlands south of New Orleans, watch computer animations of the levee failures, read a firsthand account of producer Peter Doyle's visit to the region after the storm, and ask hurricane expert Marshall Shepherd your questions about the ongoing threat of hurricanes to the Gulf Coast, view the updated NOVA scienceNOW broadcast segment, and more. ... See: NOVA | scienceNOW | Hurricane Katrina | PBS...