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TIL that in sensitive experiments, scientists have to use metal made before 1945 because the Cold War nuclear tests permanently made the atmosphere and as a result all manufactured metal too radioactive. Much of the metal is taken from sunken ships.

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mx9LO TIL Hattie McDaniel was the first black person to win an Oscar for Gone with the Win, however she was unable to attend the premier in Atlanta at a whites-only theater, sat at a segregated table on the side of the room at the Oscars and was not buried in the Hollywood Cemetery despite her final wish.
EBrp TIL the US Air Force maintaines a team that logs and tracks space debris. Over 20,000 items, ball sized or larger, and 500K marble-sized pieces are being tracked. They’re traveling at 28,000 KMPH. A single speck of paint could cause extreme damage to spacecraft or kill an astronaut on a space walk.
N790b TIL about the Birnam Oak, thought to be the last remaining tree of the Birnam Wood referenced in Shakespeare’s Macbeth
yvgJ TIL Speedy Gonzales was banned by Cartoon Network for being an offensive stereotype, only to be returned after mass protest by the hispanic-american community.
djy8 TIL the only animal large enough to eat avocados and spread its seed was the ground sloth