Every year on March 14th, teachers, scientists, and those who just love math and numbers celebrate Pi Day, a special day that pays tribute to Pi… otherwise known as the number 3.14 (plus a bunch ...

But pi's ubiquity goes beyond math. The number crops up in the natural world, too. It appears everywhere there's a circle, of course, such as the disk of the sun, the spiral of the DNA double ...

Or, more accurately, they built a new model that happens to include a great new representation of pi. But what does that mean, ... But math analysis like this has come a long way since the 1970s.