WASHINGTON - Footprints are among the most common kind of dinosaur fossils. Sometimes scientists find a single, lonely ...
A four-month investigation found that lead pollution in New Orleans parks not only persists, it is more widespread than ...
In the classic 1948 Humphrey Bogart movie, “The Treasure of the Sierra Madre,” an old gold prospector opines that the precious metal is valuable because an ounce represents ...
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