It’s the season for spotting fireflies in some parts of the US, especially in the humid or damp areas that the winged beetles love. For fireflies themselves, it’s a season of love. They create these soft flashes of light as they search for a suitable mate. The glow is produced by a chemical reaction in a firefly’s abdomen. In addition to attracting a partner, the light is believed to deter potential predators by signaling that the insect’s chemical makeup may produce a foul taste or even be toxic. The fireflies in our homepage image were photographed with a long exposure in the Philippines, where fireflies are a popular tourist attraction. Some firefly species here and in other parts of Southeast Asia are known for their synchronized flashing, creating dramatic light shows in the dark.
A summertime light show
Today in History
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Common raven
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1.1 billion opportunities for a better world
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Nighttime view over the Gulf Coast
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It s Mountain Day in Japan
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Hey, who’s in charge here?
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Let’s go mothing
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The confluence of the Arve and Rhône Rivers
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Inside the Oculus
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Petrified Forest National Park
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A walk among the giants
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Tour de France
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Step into the dark
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It s a ruff life
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Vale of Edale, Peak District, England
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Walk the line
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Gifford Pinchot National Forest
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A lush, green escape
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Through an artist s eyes
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A snuggling ball of cute
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The power of the forest
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Cypress trees in George L. Smith State Park, Georgia
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Bavarian Forest National Park, Germany
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A peek at an explosive peak
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Happy Fathers Day!
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A day to take a moment
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The forecast calls for blooms
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Chinese New Year
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Lake Magadi, Kenya
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50 years of the Endangered Species Act
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The first ascent
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