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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Château de Sully-sur-Loire, Centre-Val de Loire, France
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St. Finians Bay, County Kerry, Ireland
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Coral reef surrounding the island of Monuriki, Mamanuca Islands, Fiji
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Quiver trees, Namibia
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Tateishi Park, Kanagawa Prefecture, Japan
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Leopard mother grooming her cub, Jao Reserve, Botswana
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Vancouver Coastal Sea wolves
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Tasmans Arch, Tasman National Park, Tasmania, Australia
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Macaroni penguins
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Sunrise at a vineyard in Bordeaux, France
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Glen Brittle, Isle of Skye, Scotland
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Staghorn coral in shallow ocean
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Common chameleon
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Bengal tiger, India
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Chapada Diamantina, Bahia, Brazil
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Bonaventure Cemetery, Savannah, Georgia, USA
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Masai giraffes in the Serengeti
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An ultralight aircraft flying over the sands of Namibia
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Great Basin National Park, Nevada, United States
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Big Bend National Park, Texas, USA
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Tufted titmouse
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Wat Tang Sai Temple, Thailand
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Diamond Beach, Iceland
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Gran Paradiso National Park, Piedmont, Italy
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Hawaiian lei flower garlands
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Ynys Llanddwyn, Wales, United Kingdom
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Village of Oia, Santorini, Greece
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Jellyfish, Guerrero, Mexico
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Maya site of Copán, Honduras
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Hadrians Wall, England
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