66-million-year-old deathbed linked to dinosaur-killing meteor

The beginning of the end started with violent shaking that raised giant waves in the waters of an inland sea in what is now North Dakota.<br />
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Then, tiny glass beads began to fall like birdshot from the heavens. The rain of glass was so heavy it ma …
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Enlace: 66-million-year-old deathbed linked to dinosaur-killing meteor