When Ainsley Ramsey was in sixth grade she competed in a contest: Who could recite the most digits of pi? Ramsey was determined. "I did 100 digits and I won. And I remember getting a pie to bring to ...

The celebration of March 14 began as a weird Bay Area tradition. By Soumya Karlamangla Children in math classes across America will soon be discussing the magic of a circle’s circumference and, ...

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