Dust: Dust might have snuffed out the dinosaurs
On a spring day more than 66 million years ago, an asteroid slammed into the sea just off the coast of modern-day Mexico. Known as the Chicxulub impact, it set …
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On a spring day more than 66 million years ago, an asteroid slammed into the sea just off the coast of modern-day Mexico. Known as the Chicxulub impact, it set …