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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An underwater rainbow
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Veterans Day
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Jackie Robinson Day
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Satellite image of sand and seaweed in the Bahamas
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Mount Logan in Yukon, Canada
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Bisti/De-Na-Zin Wilderness, New Mexico
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Sunburst at Angkor
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Ruins of a royal temple
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The wild heart of Tasmania
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Wild garlic in bloom at Hainich National Park, Germany
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Everyone s watching the Perseids
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African bush elephants in Namibia
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International Day of the Tropics
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Design for Each and All
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Wind horses carry wishes for a new year
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A stunning national park in winter white
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National Audubon Society s Christmas Bird Count
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World Turtle Day
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An aviation celebration
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Waiting for winter
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Bernina Pass, Graubünden, Switzerland
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A whale of a picture
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Rockin with the rockhoppers
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This park is Superkilen
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Road-trip worthy attraction in the heartland
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Dragons Eye, Uttakleiv Beach, Norway
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Christmas market in Leipzig, Germany
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Reflections of the night sky
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Boxing Day
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Llama Day
Bing Wallpaper Gallery

