“How to Spot Counterfeit Currency”: Kaylie Milton, 17, West High School, Iowa City, Iowa
“How to Pee On a Hike”: Lauren Acker, 17, Lakeside High School, DeKalb County, Ga.
“How to Mimic an Accent”: Michael Noh, 14, Korea International School Pangyo Campus, Seongnam, South Korea
“How to Speak Like a British Person”: Owen Wilde, 16, Maynard High School, Maynard, Mass.
“How to Ask a Teacher for Help”: Sarah Harris, 15, Boothbay Region High School, Boothbay Harbor, Maine
“How to Spin Pens”: Siddharth S., 16, Peepal Prodigy School Coimbatore, Tamil Nadu, India
“How to Make Kids Excited About History”: Vivian Wenan Chang, 17, BASIS Chandler, Chandler, Ariz.
“How to Ride a Roller Coaster Without Fear”: Wang Ziyun, 16, Raffles Girls’ School, Singapore
“How to Make a Three-Point Shot”: Will Peña, 17, Academy at the Lakes, Land O’ Lakes, Fla.