Is Mercury's core liquid or solid, and why -- on the smallest planet in our solar system -- is it so big? What can the planet closest to the Sun tell us about how our solar system came into being?
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A 14-year-old boy has been arrested and charged in the stabbing death of a New York university student, authorities said Saturday, in a case...
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By TARIQ PANJA from NYT Sports https://ift.tt/2NYmVbV
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