How do curlers propel a Curling stone? Listen as Olympic Gold Medalist Brad Gushue explains to Chuck Nice and Gary O'Reilly how athletes use their legs to get the stone in motion. If you like this StarTalk SoundBite, be sure to tune in to the full Playing With Science episode "The Science of Curling, with Olympians Brad Gushue and Nina Roth" at https://soundcloud.com/startalk_playing-with-science/the-science-of-curling-with-olympians-brad-gushue-and-nina-roth