For 15 years, biologists in single-person, ultralight aircraft would each lead an experimental flock of young whooping cranes from Wisconsin to a winter home in Florida. But not anymore. Dave Umberger/AP hide caption

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To Make A Wild Comeback, Cranes Need More Than Flying Lessons

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Green when young, and about the size of an adult human's hand when full-grown, Dryococelus australis is more commonly known as the Lord Howe Island stick insect, or the tree lobster. Courtesy of Rohan Cleave/Melbourne Zoo hide caption

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Love Giant Insects? Meet The Tree Lobster, Back From The Brink

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Fresh oil puddles on the white sand in Orange Beach, Ala., during the BP oil spill in 2010. Debbie Elliott/NPR hide caption

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5 Years After BP Oil Spill, Experts Debate Damage To Ecosystem

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N. gardneri mushrooms grow at the base of young babassu palms in Brazil. A bland tan by day, the fungi emit an eerie green light by night. Michele P. Verderane/IP-USP hide caption

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Why Some Mushrooms Glow In The Dark

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Ecologists found signs of Ebola in a Rousettus leschenaultii fruit bat. These bats are widespread across south Asia, from India to China. Kevin Olival/EcoHealth Alliance hide caption

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Where Could Ebola Strike Next? Scientists Hunt Virus In Asia

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An earlier spring in Montana's Glacier National Park means full waterfalls at first — but much drier summers. Robert Glusic/Corbis hide caption

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There's A Big Leak In America's Water Tower

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