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TIL that, on April 6, 1994, the presidents of Rwanda and Burundi were both assassinated when their plane was shot down. In Burundi, it was seen as a tragic accident and their president was in the wrong place at the wrong time. In Rwanda, it set in motion the Rwandan Genocide.

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J1ODv 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.
vWdD TIL that when a sperm whale eats a giant squid and consumes its beak, its digestive tract secretes a substance called ambergris to ease its passing. Ambergris is extremely valuable (a 2.4lb lump sold for £11,000) and can be used to make perfumes and to flavor food.
NXgDQ TIL the largest free-standing flagpole in the world is located in Cairo, Egypt and stands 201.95 meters (662.57 ft) tall, more than twice the height of the Statue of Liberty.
RW1w TIL an almost-invisible square metre sheet of graphene could be made into a hammock to hold the weight of a 4kg cat, despite weighing less than one of the cat’s whiskers
4BZX TIL that in the 1920’s soviet researcher Ilya Ivanov inseminated female chimpanzees with his own sperm, and human women with chimpanzee sperm.