Step into "After the Age of Dinosaurs" at the Field Museum, and you'll be transported back in time 66 million years, when an asteroid collided with Earth and killed off 75% of life. "It basically ...
When people think of prehistoric life, they tend to jump to two behemoth bookends — the towering dinosaurs of the Mesozoic era and then the woolly mammoths of the ice age. But what about the millions ...
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