Jimmy and Robert Plant loop their voices on an iPad app to form a 2-man doo-wop group -- singing the classic song "Duke of Earl" by Gene Chandler. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c G...More
View full lesson: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spann Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do these terrifying cyclones form? Meteorologist James Spann sheds light on the lifespan of tornadoes as they go...More
Using just an iPad app and their own vocal cords, Jimmy Fallon and Billy Joel form the most perfect two-man doo-wop group and perform "The Lion Sleeps Tonight".