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Unlocking the Mysteries of Autumn Leaves
What causes that brilliant fall color show that people adore?
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How the Blue Ridge Mountains (Almost) Lost Their Blue
The hazy blue was disappearing from the horizon, but it wasn’t just the trees' fault.
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Climbers’ Paradise is the Last Refuge for an Ancient Species
Red River Gorge is a haven for rare species and a place of many surprises.
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Are Roller Coasters Actually Good For Your Brain?
Learn what’s happening to your body on a coaster and how they might help you feel better.
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How Five Billion lbs of Las Vegas Garbage Powers a City
How billions of pounds of garbage gets turned into energy.