The Science Channel's "Mammals vs. Dinos" goes to Yale University, where we discover an early mammalian fossil from the Jurassic period. Smaller mammals lived in the shadows of dinosaurs, but managed...
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The Science Channel's "Mammals vs. Dinos" goes to Yale University, where we discover an early mammalian fossil from the Jurassic period. Smaller mammals lived in the shadows of dinosaurs, but managed to survive among the large reptiles.