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Protein & Passion Fuel 5,400-Mile Conservation TrekExplorer tells of encounters with venomous snakes and more dangerous semi trucks.
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'Unexpected' Source of Sea Level Rise FoundGreenland more impervious to warming than previously thought.
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Hurricane Hunters Fly Into Burgeoning StormEyes in the skies help diagnose a storm's potential fury.
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Antarctic Ice Collapse Fuels 'Mind-Boggling' MeltCollapsing ice shelves bring a world of pain for glaciers.
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Earthmovers: How Human Interference Can Cause EarthquakesIt turns out humans can harness the power of the Earth, in sometimes scary ways.
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2011: Headed for Record Arctic Melt?Reduced ice cover is part of a years-long trend.
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Harry Potter's Snowy Owl: Not Just for WizardsSeparate fact from fiction in a look at owl-keeping in the real world.
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Huge Underwater Volcanoes Discovered Near AntarcticaThe subsea mountains are young and active, researchers say.
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Where Earth's 'Missing' Species Can Be FoundWorld's unidentified plants mostly live in the danger zone.
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American Turtles' Surprising Habits RevealedThrill seekers? Not these turtles. They stick to their routes.
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Right Whales Stage ComebackDNA shows whales returning to ancestral waters around New Zealand.
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Tag! Spyware Tracks Mysterious Basking SharkThese gentle giants pull decades-long disappearing acts.
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Serengeti of the Sea: Ocean Predator Study Reveals SurprisesScientists spied on some of the ocean's most iconic animals.
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Ghostly Rainbow Floats Over WashingtonMysterious and fleeting, the phenomenon was caught on film.
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Weather & Wildfire: What Fueled Arizona's MonsterFire-starter, Storm-starter? Weather and wildfires have a cozy relationship.
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Blooming Corpse Flower Causes Stink, Draws CrowdsThis giant and bizarre plant smells of rotting flesh.
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Dazzling Sea Life Explored on Remote ReefThe remote coral reef in Fiji is home to big fish and lots of them.
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Mysteries of the Oceans Remain Vast and DeepPlanet's oceans are vast and ripe for discovery, scientists say.
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Arctic Voyage Sets Off to Track Mysterious WhalesScientists seek to better understand narwhales, the tusked "unicorns of the sea."
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'Treasure Trove' of Madagascar Species FoundThis isolated island is home to amazing creatures that live nowhere else on Earth.
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'Slow' Quakes Surprisingly Double Back on ThemselvesAnother twist added to tale of strange 'slow-motion' earthquakes.
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Few Survivors Among Tornado's Young, Winged VictimsThe recent Minneapolis tornado tore through a great blue heron nursery.
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Image: Joplin Tornado Destruction from 10,000 Ft.Tornado left jagged scar across the Earth.
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2011 Tornado Death Toll Tops 500The U.S. hasn't seen such a deadly tornado season since 1953.
