Daredevil sports are also becoming popular. Young people especially are increasingly willing to risk life and limb white-mountain biking, back country. snowboarding, or high-speed skate boarding Soccer is also becoming popular in the Unite State, where it was not well known until recently. One of the riskiest new sports is skysurfing, in which people jump out of airplanes with graphite boards attached to their feet. Sky surfing and bungee jumping for the amount of thnlls and risk.