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TIL the Allais Effect refers to the allegedly unexpected behavior of pendulums which is observed to occur only during a solar eclipse

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nARB TIL Alexander the Great, upon being refused a prophecy from the Oracle at Delphi about his ambition to conquer the world, dragged her out of her adyton by her hair until she exclaimed, “You are invincible, my son!” He then dropped her and left, stating, “Now I have my answer.”
6lLw TIL CIA created a gun that could shoot darts that caused heart attack. Upon penetration of skin the dart left just a tiny red dot. The poison itself worked rapidly and denatured quickly afterwards. It was revealed in 1975 in a Congressional testimony.
QNVQp TIL that Fred Baur, the inventor of the Pringles can, was so proud of his creation that he requested to be buried in one. After his death in 2008, his family honored his wish by placing part of his cremated remains in a Pringles can.
4kVdR TIL that steel wool actually gains weight when it is burned, due to oxygen molecules combining with iron.
KOvlG TIL the big-headed turtle of SE Asia has a skull of solid bone that is so large in proportion to its body that it cannot be withdrawn into its shell for protection. It has legs covered with large scales and a tail that is very long and muscular, the longest tail relative to body size of any turtle.