They say the only constant in life is change. In mathematics, however, there are many constants, and today, we"re celebrating perhaps the most famous of them all: pi. This tasty-sounding constant is the ratio of a circle"s circumference to its diameter, approximately 3.14159. Every March 14, mathematics fans across the world get baking to mark Pi Day—a celebration of both the mathematical constant π and its delicious homophone, pie. It began in 1988, when physicist Larry Shaw connected the date (3/14) with the first three digits of this constant. Today, mathematicians and enthusiasts celebrate Pi Day with pie eating and pi reciting. Did you know that when your clock strikes 1:59 today, you will be three decimal places closer to the real value of pi? Pi is everywhere, even in nature. Pictured here is a bodhi tree in the shape of the pi symbol at Wat Phra Ngam, a temple in Ayutthaya, Thailand. Whether you"re a math geek or just in it for the treats, Pi Day is for everyone to enjoy!
Happy Pi Day!
Today in History
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Season of light in the City of Light
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Copper Falls State Park, Wisconsin
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World Ski and Snowboard Festival
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Where can you find this cute creature?
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A future built on the past
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Hangin around
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Rockefeller Centre Christmas tree lighting
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‘The hills have a power to soothe and heal which is their very own.’
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When life imitates art
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Death Valley National Park, California
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Do pandas enjoy winter?
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An iridescent view
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Green Friday
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Rocky Mountain runoff
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Strong sibling bonds
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A day for the worlds Indigenous populations
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Celebrating our looming lunar neighbour
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Is a hug really that magical?
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Star Wars Day
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World Theatre Day
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The other great barrier reef
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Where two continents meet
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A ghost on the mountain
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On the open ocean road
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The animal kingdoms great migration
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A different kind of toucan
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An experiment in sustainability
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Step back in time...
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Bring the king cakes
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Vancouver Cherry Blossom Festival