The Permian Puzzle
Paleontologist Doug Erwin offers his take on what caused the Permian extinction.
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Paleontologist Doug Erwin offers his take on what caused the Permian extinction.
It's like a giant spark in the sky, though with a few puzzling differences.
Louisiana-based hurricane expert Ivor Van Heerden shares his agonized response to the disaster he'd long predicted.
Jonah Lehrer discusses new research into hurricanes that may help explain Katrina's devastating impact.
Your average hurricane releases enough energy to power the world 200 times over. Go figure.
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