More commonly known as Fibonacci, Leonardo Bonacci is notable for popularising the Hindu-Arabic numeral system, with its use of zero, decimal points and 10 numbers instead of the ponderous Roman numeral system. He"s most famous, however, for his sequence of numbers: 0, 1, 1, 2, 3, 5, 8... By adding the first two numbers, you arrive at the third, and adding the previous two numbers, you arrive at the next number, and so on. Disregarding the zero, the first four numbers correspond to today"s date, 11/23.
Spiral aloe, Kangaroo Island, Australia
Today in History
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Vale of Clwyd, Wales
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Everglades National Park, Florida
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Pont d’Arc, Ardèche
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Prioro, Castile and León, Spain
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Birch trees, Drammen, Norway
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Anshun Bridge, Chengdu, China
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Kendwa village, Zanzibar, Tanzania
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The Pragser Wildsee in the Dolomites, Italy
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Lakes of Covadonga, Asturias, Spain
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Lyngvig Lighthouse, Hvide Sande, Denmark
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Sperm whale
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Telašćica Nature Park, Dugi Otok, Croatia
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Castellfollit de la Roca, Catalonia, Spain
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Basilica of Santa Maria della Salute, Venice, Italy
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Grand Canyon National Park, Arizona, USA
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Art Installation of umbrellas, London, England
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Ochagavía, Navarre, Spain
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Red fox
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Puerto de la Cruz, Tenerife, Spain
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Shark Fin Cove, California, USA
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Town of Pienza in Tuscany, Italy
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Katahdin Woods and Waters National Monument, Maine, USA
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Greater flamingos, Camargue Regional Nature Park, France
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Horsetail Fall in Yosemite National Park, California, United States
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Palace of Westminster, London, England
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Mount Hood, Oregon, USA
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Przewalskis horses, Hustai National Park, Mongolia
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Skradinski Buk Waterfall, Krka National Park, Croatia
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Village of Santa Maddalena, Dolomites, Italy
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Plum-headed parakeet
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