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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The Bahamas
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Gateway Arch in St. Louis, Missouri, United States
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Bản Giốc – Detian Falls, Vietnam
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Eurasian wolf
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Barracudas at Shark Reef, Ras Mohammed National Park, Sinai Peninsula, Egypt
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Yellow warbler in Canada
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Eurasian lynx
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Devils Tower National Monument, Wyoming, United States
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Vinh Hy Bay, Vietnam
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Bodie State Historic Park, California, United States
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The Old Man of Storr, Isle of Skye, Scotland, UK
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Vineyards in Varnhalt, Black Forest, Germany
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Oloupena Falls, island of Molokai, Hawaii, United States
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Joshua trees under the Milky Way, California, United States
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Sandstone formations in the badlands near Caineville, Utah, United States
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The Circus, Bath, Somerset, England
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Ad-Deir, Petra, Jordan
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Whanganui National Park, Retaruke, New Zealand
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Corona Arch near Moab, Utah, United States
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Great white egret, Hungary
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Donkeys in a valley near Rhyolite, Nevada, United States
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Jiaxiu Tower, Guiyang, China
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Apple trees in spring, Germany
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Yellow-billed hornbills in Kruger National Park, South Africa
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Maya site of Copán, Honduras
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Eurasian red squirrel
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Castle Stalker, Argyll, Scotland
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Indigo bunting
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Milky Way over Southwest Alentejo and Vicentine Coast Natural Park, Portugal
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View from the cupola of the International Space Station
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