MythBusters Grant and Kari attend a firewalking class held by The Firewalking Institute of Research and Education. During the class, students are taught how to walk across coals burning at 1,000 degrees! MythBusters airs Wednesdays at 9PM only on the Discovery Channel! For more info, visit: http://dsc.discovery.com/fansites/mythbusters/mythbusters.html