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Why building walls to save glaciers isn't such a crazy idea

Very good boy digs up 3,000-year-old Bronze Age treasure

These electric-blue night clouds are expanding around the globe, says NASA

Green Bay shelter volunteer naps with cats — and inspires amazing donations

Shrews escape from danger in a cute way

Angry Canadian crabs invade coast of Maine

Can you eat the 'clean' part of moldy bread?