Caffeine 101 | National Geographic

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Nearly 90% of the United States population has at least one caffeinated beverage every day. Learn about the chemistry of caffeine, how it causes increased alertness and focus, and how caffeine is capable of causing overdoses.

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National Geographic

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Natural Disaster

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National Geographic foto

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New Species Found at Great Barrier scogliera, barriera corallina

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In and around Australia's Great Barrier Reef, researchers with the Census of Marine Life have discovered hundreds of new species.

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National Geographic

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Exploring Oceans: Great Barrier scogliera, barriera corallina

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The largest living structure, the Great Barrier scogliera, barriera corallina spans più than 1,200 miles (2,000 km) of islands and submerged reefs.

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National Geographic

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great barrier scogliera, barriera corallina

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Man - Eating Dragon?

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National Geographic

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World's Largest Spitting cobra

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National Geographic

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reptiles

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Chameleon bambini

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National Geographic

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Polar orso Plush Animal

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Polar bears available at CuddleWorks.com

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limone Sharks

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National Geographic

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Earth: anno 3000

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National Geographic

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Monsters Of The Deep

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National Geographic

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National Geographic foto

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Landscape

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Landscape

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Landscape

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Landscape

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National Geographic foto

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National Geographic foto

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