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America’s most toxic lake may also be one of its most overlooked resources.
Scientists are studying solar storms in the aurora that can disrupt satellites and power grids.
Each fall in Costa Rica, one of nature's strangest spectacles takes place–a tsunami of sea turtles.
The West Texas desert has a surprising feature: a prehistoric ocean reef.
The Caribbean town of Plymouth lies frozen in the ash of a devastating volcano.
Meet the axolotl, Mexico City’s endangered, smiling salamander.
North Carolina’s Outer Banks may be one of the most dangerous coastlines in the world.
Florida's once endangered crocodiles are making a very unlikely comeback!
Scientists find the exact time of a massive quake using trees, soil and human records.
Can new scientific research help unravel the mystery of Cahokia's disappearance?
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