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
More Desktop Wallpapers:
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Looking back at Yellowstone, 30 years after the fires
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Barn owl, England
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Computer science on the page
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An emerald isle of the Emerald Isle
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Jupiter and the Galilean moons
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Ancient storage in the Grand Canyon
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A. M. Foster Bridge in Cabot, Vermont
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What s cuter than nuzzling rhinos?
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Día de los Muertos celebrations in Mexico
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Maloja, Switzerland
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Blue Lagoon spa, Grindavík, Iceland
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Spring blooms in the Netherlands
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The monsoon arrives in the desert
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Zion National Park Turns 100
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What are we looking at?
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A seabird gets schooled
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Detroit Industry Murals by Diego Rivera
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The scene of a literary crime
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World Wildlife Day
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Silver-studded blue butterflies