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Scientists solve 66 million-year-old mystery of how Earth's greenhouse age ended
- January 22, 2026 at 2:54 PM
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A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's massive drop in temperature after the dinosaurs went extinct could have been caused by a large decrease in calcium levels in the ocean.
Originally published at Phys.org