CLEVELAND, Ohio – On a mid-October day, Mr. John Whelan is playing a video on rounding numbers for his class. As the video finishes and Mr. Whelan begins the lesson, Zoey expresses her worries and ...

In this video, two computer science majors challenge a Chinese 5th grader to determine who is smarter, following a previous match between Sheldon and the same student. The challenge includes solving a ...