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TIL When astronomer Fritz Zwicky, father of dark matter, was banned from using the 200 inch Palomar telescope, he replied by calling them “a load of spherical bastards” because, he explained, they are bastards no matter which direction you look at them from.

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mx9bY TIL A boneless ham is a ham from which the bone has been removed, after which the ham is tightly pressed into an oval-shaped package. Salt will break down some of the proteins in meat muscle, allowing them to reconnect and link with each other. That's why a boneless ham still appears solid.
5DxB TIL of Obsidian. A volcanic glass so sharp, many surgeons prefer obsidian to surgical steel
OGoWe TIL that in Haitian rural folklore, there are actually two kinds of zombies: the more widely known corporeal zombie, which is missing its spirit, and the "zombie astral," which is missing its body.
1aNEr TIL the most abundant vertebrate genus in the world is not chickens but probably the bristlemouth fish numbering in maybe quadrillions of members. Basically these tiny fish are everywhere deep in the ocean and even gave strange false bottom readings by sensors of ocean depths when first discovered.
Ardw TIL Genghis Khan would marry off a daughter to the king of an allied nation, dismissing his other wives. Then he would assign his new son-in-law to military duty in the Mongol wars, while the daughter took over the rule. Most sons-in-law died in combat, giving him shield around the Mongol lands