OREGON - March 14 is known as “Pi Day” – you know, the 3.14 number that as far as anyone knows never ends nor has any discernable pattern. It is the ratio of a circle’s circumference to its diameter.

It sounds straight out of the big-screen blockbuster "Good Will Hunting", but it’s not Hollywood make-believe. 61-year-old Charlie Asbill isn’t just a custodian at California’s Denair Middle School.

61-year-old Charlie Asbill isn't just a custodian at California's Denair Middle School. He's a self-taught man with a unique gift for memorization and a lifelong fascination for numbers. It sounds ...

SYDNEY, AUSTRALIA - For Chris Lyons, reciting a 4,400-digit number was as easy as pi. Lyons, 36, recited the first 4,400 digits of pi — a mathematical value that ...