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That Time the Mediterranean Sea Disappeared
How could a body of water as big as the Mediterranean just...disappear?
Eons
The Hidden Genes That Make Us Human
Some of the most important genes were once considered genomic junk.
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How the T-Rex Lost Its Arms
Tyrannosaurus rex had tiny arms. How did this happen, and why did it keep them?
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How a Supervolcano Made the Cenozoic’s Coolest Fossils
Yellowstone contains some of North America's most amazing fossil deposits.