Animals
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Extinct passenger pigeons can be resurrected? Yes, say scientists
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Climate change prompts Emperor penguins to find new breeding grounds
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Razorback sucker found spawning in Grand Canyon after 22 years, marks comeback of endangered species
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Great white shark population increasing off East Coast and Canada
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Fire ant rafts to pave way for future robots
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Horned frog sticky tongue may teach us a thing or two about super adhesive
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Japanese eel, a summertime delicacy, now on endangered species 'red list'
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Ancient Tibet may be origin of Ice Age mammals, fossils reveal
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9-foot long great white shark devoured. Hunt for 'Super Predator' begins?
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Rats regret making poor decisions. No wonder we're in a rat race
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Rats regret bad decision making. No wonder we all say "Rats!"
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Tree frogs croak their way from storm drains to heart of mates
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