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TIL Sperm whales are the loudest animal on the planet, sperm whales uses echolocation and vocalization as loud as 236 decibels

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Y7e9r TIL Thermal paper, often used for printing receipts, contains a coating that changes color when heated, creating the printed text.
pY8ab TIL : Val Kilmer has lost his voice, quite literally. The only way we may hear speak again is through a computer program
5YJMk TIL that Ebbie Tolbert was born around 1807 and spent over 50 years as a slave. She got her freedom at the age of 56. She also lived long enough so that at age 113 she could walk to the St Louis polling station and registered to vote.
v0kL TIL the nation of Sweden’s official “@Sweden” Twitter account is given to a different citizen every week to manage
yPX8 TIL “iOS” is trademarked by Cisco, not Apple