Triassic
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In Ancient Rocks, Scientists See a Climate Cycle Working Across Deep Time
A gradual shift in Earth’s orbit that repeats every 405,000 years plays a role in natural climate swings.
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Some Do Not Like It Hot
The Great Dying, The Big One — The Permo-Triassic! (In a time machine, not sure if that’s where I’d aim …) As extinctions go, this one’s a blockbuster classic, When most of Earth’s species dropped out of the game.
