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TIL: A scientist involved in the US nuke project determined the age of the world, created the clean room, and campaigned against leaded gasoline because it was poisoning everyone.

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GYvPj TIL The "Am I Not A Man And A Brother?" Medallion was created in 1787 as part of antislavery campaign by Josiah Wedgwood, famed founder of the Wedgwood company.
nG0W TIL that getting drunk is an effective antidote for antifreeze poisoning
wExo TIL That the minting of the U.S. half-penny was discontinued in 1857 because it was viewed as having too insignificant purchasing power and wasteful to continue minting. Adjusted for inflation it would be worth more than the penny, nickel, and dime today.
Zw04 TIL “The number you have dialed is not in service” was recorded by singer and voice actor, Jane Barbe, and heard by 300 million people per week
R5NMw TIL Woodpeckers ram their bills at 25 times per second with 1200g’s acceleration.This research refutes the theory that their skulls act like helmets, absorbing the shock of impact. Instead, they minimize it to strike harder