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TIL that around age 13, kids’ brains shift from focusing on their mothers’ voices to favour new voices

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dnj7 TIL: That the Terminator is only cinematic character to appear on AFI’s list of Top 100 Villains and Heroes twice, once under each category.
EggXp TIL of Interstellar Mapping and Acceleration Probe (IMAP) scheduled (now) for early 2025 launch, which will map particles and shape of the heliosphere - the shield from our sun that protects us from cosmic rays.
Yppav TIL that the US Navy engaged in only one action in the Pacific during WWI. A German commerce raider ran out of coal for its boilers and docked at Guam to resupply in 1914. Guam lacked coal, so it stayed moored for 3 years until the US entered the war in 1917, whereupon they promptly scuttled it.
woveo TIL only 8,012 of the 1928 US $1 bill were circulated in America. The rest were stored in a vault for 15 years. From November 1948 to February 1949; 1,872,012 of these $1 bills were sent to Puerto Rico, because "these notes would raise questions if circulated in the continental United States"
GYeAG TIL the Swastika symbol dates to 13000 BC and has been used by many cultures on nearly every continent.