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TIL Army ants were used to close open wounds. When grasped just behind the head, the ants will open their mandibles wide. One mandible is placed on each side of the cut and the ant then clamps down. Its head is then snipped off while clamped onto the wound, acting like a staple.

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6AG8 TIL that at the end of the Vietnam War, the USS Midway crew pushed $10mil of helicopters into the sea so that a Cessna full of evacuees could land on the deck.
8eRYb TIL In 1978, President Carter oversaw the installation of the first computers in the White House: a Hewlett-Packard HP 3000, water-cooled IBM laser printer, and Xerox Alto desktop computer for the Oval Office. Reagan later removed the Xerox Alto in 1981
RwK4 TIL of Mary Fields, a 6’, 200-pound former slave who became the second woman and the first African-American to work for the US Postal Service in Montana. She began to work for the USPS at the age of 60 after hitching a team of six horses faster than any cowboy and never missed work in 10 years.
0dObM TIL that in 1947, a team of engineers working on the Harvard Mark II computer discovered that the system had crashed due to an actual moth stuck in a relay, and they taped the insect into their logbook, jokingly calling it the “first computer bug”—a term that has been used ever since.
wLkw7 TIL: One of the world's biggest mysteries is a 19' granite monument sitting on one of the highest hilltops in Elbert County, GA. The Georgia Guidestones are engraved in eight different languages and the first of ten guides or commandments etched in stone is: “1. Maintain humanity under 500,000,000”