TIMEHappy Pi Day! Here's Some of the Wackiest Celebrations around the WorldTIMEMarch 14 (3/14) is Pi Day, a celebration of the ratio of a circle's circumference to its diameter — one of the most beautiful and confounding numbers in mathematics. It's technically written as 3.14159, or 3.14 for short, but Pi is an “irrational and …On Pi Day, finding strength in numbersCNNHappy Pi Day: 10 YouTube Videos for Math GeeksMashableAn Ode To National Pi DayRedOrbitNature World News -KpopStarzall 6 news articles »
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