Tornadoes are some of the most destructive forces of nature. Learn how tornadoes form, how they are rated, and the country where the most intense tornadoes occur.
COSMOS: POSSIBLE WORLDS is helmed দ্বারা Carl Sagan’s collaborator Ann Druyan, who boldly carries the torch অগ্রবর্তী with the 3rd season of the most beloved science প্রদর্শনী on the planet.