Dance is usually perceived as effortless, with performers moving so gracefully that it seems easy. Often overlooked is the level of athleticism required to execute turns, flips and technique. Freshmen ...

Toluwani Bademosi, 6, holds up a high-five gesture and waits for a computer program to recognize the pose and register a “match” during an educational workshop at Drexel University, Saturday, Nov. 15, ...