Meathead Goldwyn, creator of the world's most popular barbecue website, AmazingRibs.com, joins Scott for an extended conversation about the science of BBQ and grilling. From busting myths and the perfect way to grill a steak, to the difference between direct and indirect heat and whether or not marinading and brining actually work, Meathead gives us a one-of-a-kind lesson in outdoor cooking you won't want to miss.