In his head, Dan Knights is thinking "Russia overhears a Bostonian rebel marmoset rashly reply heavily." But he's saying: "468440901224953430146549585. " Knights, a University of Minnesota professor, ...

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 ...

Pi is an irrational number, meaning it has an infinite number of nonrepeating decimal places. But it turns out, NASA scientists need only a small slice of pi — the first 15 decimal places — to solve ...

Thursday marks Pi Day, otherwise known as 3.14, which marks the ratio of a circle's circumference to its diameter. While the average citizen can easily remember the 3.14 ratio, the exact ratio ...