Mathematician Dr. Steven Strogatz breaks down the history of the math concept and brings it full circle to recent science.

SAN FRANCISCO -- Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign Pi. That's because the date written ...

Friday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...

Pi Day, the one-of-a-kind math holiday, is Friday, March 14, giving people a chance to nerd out and enjoy baked goods or pizza. The special holiday celebrates the mathematical constant pi (π ...

One of the best days to eat pie? In the middle of March, when Pi Day lands on the calendar! But wait: What exactly is Pi Day? And what does it have to do with our favorite dessert? If those ...