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Plastic waste is becoming permanently ingrained in the shoreline.
Internet revolution that elected Obama could save Earth
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Al Gore thinks the Obama Internet revolution could save the planet.
'Super mom' spotted on a Minnesota lake — with 56 ducklings in tow
This newly identified critter eats rocks and secretes them as sand
Fireflies! 12 things you didn't know about lightning bugs
9 of the world's largest dog breeds
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The controversy behind the world's next great telescope