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NOVA - The Asteroid and the Dinosaur

Seizoen: 8 - Aflevering: 8 / 144 - Eerst uitgezonden: 10 maart 1981 - Episode ID: 400274

For 150 million years, dinosaurs dominated the earth. Then, 65 million years ago, they suddenly vanished, along with a great deal of the planet's animal and plant life. NOVA examines a remarkable theory about the cause of the catastrophe—in which the first clue to the solution was a piece of clay.