Earth from space: Rare 'sunglint' transforms the Mediterranean Sea into a swirling, silver mirror
This 2022 astronaut photo reveals a menagerie of hidden oceanographic features surrounding a pair of Greek islands, including ...
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Croesus stater: The 2,500-year-old coin that introduced the gold standard
In the middle of the sixth century B.C., King Croesus of Lydia minted the world's first gold coin. Known as a stater or ...