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TIL a cat's memory is 200x better than a dog's, and that a dog's short-term memory is only 5 minutes.

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NVmE TIL that during the Battle off Samar, a single American destroyer charged forward against a huge Japanese force. The ship did so much damage to the Japanese that when she sank, a passing Japanese ship saluted the sinking vessel.
69BGw TIL In the 1600s a Dutch doctor Cornelius Bontekoe prescribed a cup of tea as a cure all to ailments. As a cup of tea caught on as a popular drink it led to a drop in mortality rates between 7%-25% across England as boiling coincidentally improved water quality
KYV6B Today I learned that sound can be minus decibels. The quietest place on Earth is Microsoft’s anechoic chamber in Redmond, WA, USA, at -20.6 decibels. These anechoic chambers are built out of heavy concrete and brick and are mounted on springs to stop vibrations from getting in through the floor.
YEDZ TIL: While the Titanic only had enough life boats to hold 1/3 of passengers, she was actually carrying more lifeboats than were legally required. That’s because lifeboats were intended to ferry survivors from a sinking ship to a rescuing ship—not keep afloat the whole population.
EggRW TIL Many civilizations believed that the "tooth worm" existed, a superstition that existed until the 18th century. A cuneiform tablet from the seventh century BCE titled “The Legend of the Worm” tells the tale of the tooth worm, a demon which drinks the blood and eats the roots of the teeth