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TIL that after 9/11 Kevin Conroy volunteered as a cook for rescue workers at “Ground Zero”. One person recognized him as the voice of Batman and told everybody Batman was making dinner for them. It was the first time anyone there started to smile and laugh.

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b9mka TIL that Duct Tape was originally called Duck Tape. In WWII, Johnson & Johnson created a waterproof rubber adhesive tape applied to a durable duck cloth backing for use as waterproof sealing tape on ammunition cases: "Duck Tape". Later it was used to seal air ducts in forced-air heating HVAC systems
VOwG TIL a blue whale’s mouth cavity is so vast it can engulf a volume of water equivalent to its own body mass.
LkErv TIL the story of Isaac Woodward. He was an African American WWII veteran who was badly beaten at a bus stop in 1946 for asking the driver to stop at a bathroom, blinding him in both eyes. His case brought the treating of veterans to light and the beginnings of the civil rights movement in the 1950’s
v16n4 TIL Kelly Blue Book has been purchased by Autotrader (used car seller) and NADA Guides has been purchased by J.D. Power (a P.R. firm) and no longer give accurate values of used cars.
d8eb9 TIL about the International Fixed Calendar. It is comprised of 13 months of 28 days each (364) + 1 extra day that doesn't belong to any week. it is a perennial calendar and every date falls on the same day every year. It was never adopted by any country but the Kodak company used it from 1928-1989.