TwistedSifter on MSN

Over 2,200 years ago, Eratosthenes calculated the circumference of Earth, and his math was almost totally accurate

Impressive, right?
ScienceAlert on MSN

Pi Day: Breakthrough 'Obliterates' The World Record For Calculating Pi

(Antonio Iacobelli/Moment/Getty Images) As Pi Day rolls around for another year, researchers at StorageReview, a leading ...