The sunflower is an eye-catcher, growing to the sky and brightly singing of summer no matter the time of year. Helianthus annuus is native to the Americas, and its flowering head is actually made up of more tiny flowers that mature into seeds (and, of course, get eaten around the world). But did you know that sunflowers also bring one of nature"s mathematical wonders to life?
Fibonacci Day
Today in History
More Desktop Wallpapers:
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Seven Magic Mountains art installation, Jean Dry Lake, Nevada
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Avatar Mountains, Zhangjiajie National Forest Park, China
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The snows of Fuji
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Spring awakens
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A day to take a moment
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For the love of bikes
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The monsoon arrives in the desert
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Combating extinction with citizen science
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The Bahamas
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Think deep thoughts
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A valley view at 9,000 feet
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Take a hike near Lovers Lane
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Beavers Bend
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My my, it s Syttende Mai
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Spring comes to the Palouse
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Finding a balance between wetlands and water treatment
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Congratulations, 2019 Nobel Prize laureates!
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A misty morning in Brazil
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Birds of a feather
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Wicker fields in Cañamares, Spain
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Palouse farmland, Washington state
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In orbit for Yuri s Night
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Eben Ice Caves, Upper Peninsula, Michigan
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International Jazz Day
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Kissing Day
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The first ascent
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Veterans Day
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Star Wars Day
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Aerial view of a heart-shaped field in Trittau, Germany
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Wild scene on the Merced River