A Kenya Wildlife Services ranger stands guard in front illegal stockpiles of burning elephant tusks at the Nairobi National Park on April 30, 2016. Carl De Souza/AFP/Getty Images hide caption

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Up In Flames: Kenya Burns More Than 100 Tons Of Ivory
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A young man from Bali, Indonesia, shows off his rainbow-colored rooster before a cockfight. Courtesy of Ruben Salgado Escudero and the World Photography Organization hide caption

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When dogs show the whites of their eyes in a "half-moon" shape it can indicate stress. Kristina Stas/iStockphoto.com hide caption

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Let's Not Hug It Out With Our Dogs
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The Large Hadron Collider uses superconducting magnets to smash sub-atomic particles together at enormous energies. CERN hide caption

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Weasel Apparently Shuts Down World's Most Powerful Particle Collider
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Kenya To Host Largest Ivory Burn To Combat Elephant Poaching
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Congress Poised To Approve Bill Designating Bison As National Mammal
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Cybil Preston, chief apiary inspector for the Maryland Department of Agriculture, does a training run with Mack: She sets up fake beehives and commands him to "find." He sniffs each of them to check for American foulbrood. He has been trained to sit to notify Preston if he detects the disease. Morgan McCloy/NPR hide caption

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Parakeets are among Colombia's 1,900 bird species. Alexander Schimmeck /Flickr hide caption

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As Colombia Grows Safer, Tourists — Especially Bird Lovers — Flock Back
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Sauropods were one of the most successful groups of dinosaurs to ever walk the Earth. New research helps explain why. Stocktrek Images/Getty Images hide caption

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Superhearing And Fast Growth ... Scientists Learn Why Sauropods Ruled
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A map of the Amazon shelf showing the newly discovered reef structures in yellow. Courtesy of Carlos Rezende (UENF) and Fabiano Thompson (UFRJ) hide caption

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How Do Ants Survive Floods? Rafts Of Course
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U.S. Proposes Removing Yellowstone Grizzly Bears From Endangered Species List
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Flights Of Fancy: Exploring The Songs And Pathways Of 'The Living Bird'
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Earlier this week, NIH temporarily halted work in the cell therapy lab of Dr. Steven Rosenberg, chief of surgery at the National Cancer Institute, pending a review of safety standards there. Courtesy of National Cancer Institute hide caption

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Task Force Calls For More Safety Oversight At NIH Research Hospital
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Half Your Brain Stands Guard When Sleeping In A New Place
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Parrot In Britain Flew The Coop, Then Hailed Taxi Home
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