It"s a bit of a fib that Fibonacci, the 13th-century Italian math whiz, was the first to sketch out a number sequence in which each number is the sum of the two preceding numbers: 0, 1, 1, 2, 3, 5, 8, 13, and so on forever. In fact, scholars in India described the sequence centuries before Fibonacci, and they probably weren"t the first to figure it out either. But in any case, each November 23—that is, 11/23—we celebrate the infinite series known as the Fibonacci sequence.
Fibonacci Day
Today in History
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Incense making, Vietnam
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Big Bend National Park turns 78
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International Tiger Day
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Hey, who’s in charge here?
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And the skies filled with bats…
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Autumn in Alaska
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Earth Day and National Park Week
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Westerheversand Lighthouse
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Happy trees = Clean air
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A monastery in the mountain
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National Hammock Day
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Burrowing owls
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Celebrating World Wildlife Day
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You re feeling sleepy
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Christmas Bird Count
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All is silent for Big Ben’s musical milestone
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St. Patricks Day in County Waterford, Ireland
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Frankenstein Friday
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Gentoo penguins in Antarctica
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Giving Tuesday
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Pretty in pink, and purple, and red…
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World Rainforest Day
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National Park Service Founders Day
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Goliath heron in Kruger National Park, South Africa
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Marshland, Gloucester, MA
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Mitsumata blossoms
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Hanging out on a limb
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World Octopus Day
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Kochia, Hitachi, Ibaraki prefecture, Japan
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Cypress trees in George L. Smith State Park, Georgia
Bing Wallpaper Gallery

