As National Park Week continues, we"re turning our attention to the vivid colors of the Grand Prismatic Spring in Yellowstone National Park. Its intense rainbow hues are formed by cycles of hot water rising, cooling, and falling—creating rings of distinct temperatures inside the spring. The clear, blue center is the hottest part, with almost nothing living in it. But the other rings are home to various microorganisms that produce bands of distinct colors ranging from green to orange to red.
Where do those colors come from?
Today in History
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Quebec City for Winter Carnival
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Seceda, Dolomites, South Tyrol, Italy
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It s World Bee Day
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It’s Art Deco Weekend in Miami
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Fall comes to Pando
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Castle Day in Japan
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World Teachers Day
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Squirrel Appreciation Day
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Ringing in the new year at Teotihuacan
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Dalyan, Turkey
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Tokyo welcomes a futuristic new art museum
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A learning garden
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Bandon Beach in Bandon, Oregon
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Nakupenda Beach Nature Reserve, Zanzibar, Tanzania
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Grasmere, Lake District, Cumbria, England
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The view will stop you in your tracks
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Space-age style by the sea
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Don’t look down
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Inside the Oculus
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World Theatre Day
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Irohazaka Road in fall, Nikko, Tochigi, Japan
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Snow aglow in central Japan
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National Frog Month
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Martin Luther King Day
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Giraffes at sunset in the Masai Mara National Reserve, Kenya
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Eurasian lynx
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Moeraki Boulders, South Island, New Zealand
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Whale hello there!
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Watson Lake in Granite Dells, Arizona
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Muskoxen in Dovre-Sunndalsfjella National Park, Norway
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