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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Palmyra Atoll National Wildlife Refuge
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Yellowstone National Park, Wyoming, USA
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World Space Week
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Duckling in a water meadow, Suffolk, England
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European hedgehog
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Bukhansan National Park, South Korea
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Royal Mile, Edinburgh, Scotland
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Fairy chimneys and cave dwellings in Cappadocia, Türkiye
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Summit of Pine Mountain, Angeles National Forest, California, United States
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Lavender field, Hertfordshire, England
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Gespensterwald, Niehagen, Germany
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Yellow-billed hornbills in Kruger National Park, South Africa
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African elephants in Namibia
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Medieval towers in Mestia, Upper Svaneti, Georgia
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Delicate Arch, Arches National Park, Utah, United States
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Plitvice Lakes National Park, Croatia
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Grasmere, Lake District, Cumbria, England
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Poço Encantado cave, Brazil
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Toledo, Spain
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Vasco da Gama Bridge, Lisbon
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Piazza Maggiore, Bologna, Italy
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Cinque Torri, Dolomites, Italy
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Palace of Westminster, London, England
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Lion, Queen Elizabeth National Park, Uganda
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Corona Arch near Moab, Utah, United States
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Lesser rheas, Torres del Paine National Park, Patagonia, Chile
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The Eiskapelle, Bavaria, Germany
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Eurasian lynx, Siberia
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Blue lagoon of Pulau Ay, Banda Islands, Indonesia
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Gaztelugatxe islet at sunset, Basque Country, Spain
Bing Wallpaper Gallery

