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The extinction of the dinosaurs around 66 million years ago may have helped facilitate the spread of grapes around the world, researchers have proposed. In a study published on Monday in the journal ...

Dinosaurs only started to live large after a mass extinction altered the planet in their favor. Lucas Atwell CC BY-SA 3.0 Everyone knows about the mass extinction that ended the Age of Dinosaurs.

Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while others ate animals, including other dinosaurs. How big they were: The ...