Describes the discovery and excavation of the world's only complete Tyrannosaurus fossil in Montana, and what was learned from it.

How did those enormous dinosaur skeletons get inside the museum? Long ago, dinosaurs ruled the Earth. Then, suddenly, they died out. For thousands of years, no

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Describes the discovery and excavation of the world's only complete Tyrannosaurus fossil in Montana, and what was learned from it.

A kindergarten-level introduction to rabbits, covering their growth process, behaviors, the backyard habitats they call home, and such defining features as thei