Earth’s Ancient Greenhouse: 66M Year Mystery Solved!
Over 66 million years ago, Earth was sweltering. The Cretaceous-Paleogene extinction event, famously wiping out the dinosaurs, wasn’t just about an asteroid. It was the culmination of a prolonged greenhouse climate. Now, scientists believe they’ve pinpointed a key mechanism that brought that era to an end: a massive surge in the sinking of calcium carbonate, … Read more