May 6, 2014 12:24 am Fallon Combines Pop Culture and Math in “Popular Mathematics” After hearing that Americans are ranked 30th in the world in terms of math skills, Jimmy Fallon decided to express equations using pop culture. US & World Videos 2:32 Bodies found in Mexico near where 3 surfers, 2 from San Diego, disappeared 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance 3:11 Ryan Gosling skips darker film roles because of Eva Mendes and daughters 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report)