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An orange clownfish, Amphiprion percula, lives in symbiosis with a host anemone on the Great Barrier Reef. Alejandro Usobiaga/Scientific Reports hide caption

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Alejandro Usobiaga/Scientific Reports

Chemical Plant Fire Raises Environmental Concerns In Wake Of Harvey

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Locals have been tweeting photos of fire ant colonies drifting aimlessly in the floodwaters of Hurricane Harvey. Juan DeLeon/Icon Sportswire/Getty Images hide caption

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Juan DeLeon/Icon Sportswire/Getty Images

Volunteers unload one of 35 dogs flown from Texas shelters to Seattle in Hurricane Harvey's aftermath. The dogs arriving in Seattle were already in Texas shelters when Harvey hit and are being transferred so animals displaced by the flooding can be cared for until they can be reunited with their families. Elaine Thompson/AP hide caption

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Elaine Thompson/AP

Troy King navigates his boat through a flooded portion of Highway 90 in Houston on his way to rescue the Galvan family. Katie Hayes Luke for NPR hide caption

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Katie Hayes Luke for NPR

Riding With A Rescue Mission In The Surreal, Perilous Texas Floods

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Researchers Explore New Methods To Quantify Power Of Storms After Harvey

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The typical asymmetrical lymphedema (lower limb swelling) seen in podoconiosis. The skin on the affected limbs is thickened with warty and mossy nodules. The toes are disfigured with joint fixation typical of advanced podoconiosis disease. Christine Kihembo/ASTMH & AJTMH hide caption

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Christine Kihembo/ASTMH & AJTMH

A refinery in Deer Park, Texas, in the aftermath of Hurricane Harvey. Some residents and environment groups are worried about toxic chemicals that could be emitted into the air if there's any damage. Brendan Smialowski/AFP/Getty Images hide caption

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Brendan Smialowski/AFP/Getty Images

Flooded Texas Chemical Plants Raise Concerns About Toxic Emissions

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Warren Buffett Backs Nuclear Fuel Bank In Kazakhstan

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Trump Policies Could Undermine Post-Harvey Rebuilding

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These dead sharks were discovered aboard a Chinese-flagged vessel found off Ecuador earlier this month with some 300 tons of marine species, several of which are in danger of extinction. Galapagos National Park via AP hide caption

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Galapagos National Park via AP