By using a long exposure and rotating the camera, a photographer highlights the spherical shape and grooved surface of a brain coral. You needn"t be a genius to guess how brain coral got its name. But you could just as easily call it "maze coral" after its labyrinthine surface. Either way, this sea organism is an apt mascot for today"s cerebral celebration: Puzzle Day!
Brain coral
Today in History
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20 years later
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Here s looking Atchafalaya
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Winter in the Finnish wilds
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Jamaica celebrates its independence
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A willowy welcome to spring
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Flamingos of the Chilean desert
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Anza-Borrego Desert State Park, California
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It s time to fall back
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Surfer s paradise
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National Hammock Day
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A festival of lights in India
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Taughannock Falls State Park
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The perfect canvas for an ancient text
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International Archaeology Day
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Whangārei Falls in New Zealand
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A winter wonderland in Northeast China
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What kind of bird laid these eggs?
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Birds and bees, and why they re so important
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Sand dunes in the Sahara, Algeria
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Sydney Harbour Bridge in Sydney, Australia
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Jazzed for Mardi Gras
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Winter scenery near Kuhmo, Finland
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Zelenci Nature Reserve, Slovenia
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A midsummer twilight s dream
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Grasmere, Lake District, Cumbria, England
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Royal Alcázar of Seville, Spain
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Serra de Tramuntana, Majorca, Spain
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’Chess on ice’
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Arenal Volcano, Costa Rica
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Goðafoss waterfall, Iceland