Ebb and flow of the sea drives world's big extinction events
Sunday, June 15, 2008 - 22:42
in Paleontology & Archaeology
If you are curious about Earth's periodic mass extinction events such as the sudden demise of the dinosaurs 65 million years ago, you might consider crashing asteroids and sky-darkening super volcanoes as culprits. But a new study in Nature suggests that it is the ocean, and in particular the epic ebbs and flows of sea level and sediment over the course of geologic time, that is the primary cause of the world's periodic mass extinctions. read more
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