Pythons Blamed For Everglade's Disappearing Animals

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Chris Stephens, 28, who has been battling depression all of his life, plays with his dogs at home in Concord, Calif., on Friday. After a dose of ketamine, Stephens says, "I actually wanted to do things. I wanted to live life." Lianne Milton for NPR hide caption

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Lianne Milton for NPR

'I Wanted To Live': New Depression Drugs Offer Hope For Toughest Cases

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Nonnative pythons, like this one, are invading the Florida Everglades. As a top predator, the snakes have crippled the populations of rabbits, raccoons and other animals. Joe Raedle/Getty Images hide caption

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Invasive Pythons Put Squeeze On Everglades' Animals

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Ketamine has been used as an anesthetic for decades. It's also a widely popular but illegal club drug known as "Special K." When administered in low doses, patients report a rapid reduction in depression symptoms. Huw Golledge/flickr hide caption

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Huw Golledge/flickr

Could A Club Drug Offer 'Almost Immediate' Relief From Depression?

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The Delboeuf illusion makes one dot appear larger than the other. But they're the same size. Your brain is misled by comparing the dots to the surrounding circles. Washiucho/Wikimedia Commons hide caption

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Washiucho/Wikimedia Commons

Ancient Skull Holds Clues to Dog Domestication

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Can Science Be Done Without Secrecy?

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Stem Cell Eye Therapy Shows Promise

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Ode To Ice

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How 'Space Weather' Affects Planes And Power Grids

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Magnetic Soap May Help Clean Up Spilled Oil

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Without a centralized national repository for nuclear waste, the radioactive material is currently being kept at various sites across the country. Above, large concrete canisters, each holding 14 55-gallon drums of waste, are loaded on a truck in 2005 in Richland, Wash., where they were later shipped to a facility in New Mexico. Jeff T. Green/Getty Images hide caption

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How To Find A New Nuclear Waste Site? Woo A Town

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Vucetich Discusses Long-Running Predator-Prey Study

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