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TIL some crows in Japan use public water fountains and adjust the flow of water for either drinking or bathing

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nLyY TIL that “flotsam” is floating wreckage, “jetsam” is cargo that is purposely thrown overboard, “lagan” is goods lying at the bottom of the ocean but reclaimable, and “derelict” is cargo at the bottom of the ocean but lost. These terms are part of the law of admiralty and marine salvage.
MeaYb TIL there are two competing symbols of medicine in the US: the Rod of Asclepius (a staff with a single snake coiled around it) and the Caduceus (with two snakes and a pair of wings). The two are completely unrelated ancient symbols.
neLRb TIL in 1943 the USS Robin was actually the Royal Navy carrier HMS Victorious tasked with working with the USS Saratoga in the Pacific until new US carriers could replace war losses. They cooperated the extent that US fighters were based on the Victorious and UK bombers were based on the Saratoga.
VB75G TIL: The oldest grocery store in the Americas is in Quebec City
nW7W9 TIL the color of Sun is white when viewed in outer space, outside our atmosphere