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How NAO Does Its Thing

Find out how each NAO phase spins its particular brand of atmospheric tumult, affecting temperature, precipitation, cloudiness, and windiness in different regions — sometimes to drastic ends.

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NAO Data Hunting (and Gathering)

From the chilly depths of the Atlantic to ancient European forests, researchers are combing for data to explain the NAO's mysteries.

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Forecasting the Unpredictable

Northern Hemispheric temperatures are now at their steamiest. Discover why scientists are concerned about global warming's potential backlash on the NAO.

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Article: An Ode to O

Where would the world be without oxygen? While it's hard to imagine an Earth without it, for nearly the first half of the planet's 4.5-billion-year history, Earth had no oxygen gas as part of its atmosphere.

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What's a Mangrove? And How Does It Work?

Investigate this remarkably tough plant that can live in water up to 100 times saltier than most other plants can tolerate, not to mention thrive despite twice-daily flooding by ocean tides.

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Mangrove Threats and Solutions

Straddling land and sea and teeming with life, mangrove forests are key to healthy coastal ecosystems. They're also among the most threatened habitats in the world. Learn more.

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Biogeography Begets Biodiversity

Discover how the geological and climatic changes that have unfolded over millions of years in Vietnam have set the stage for an extraordinary richness of biodiversity.

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Biodiversity in the Crossfire

See how scientists are racing to reveal Vietnam's biological riches before many species and their habitats disappear from the country's landscape due to expanding development and human activity.

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Article: The Horse in Mongolian Culture

Take a look at Mongolia's takhi and discover how an Asian empire was won on horseback — and how Mongolia came to be known as the land of the horse. 

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