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TIL Scientists improved the intelligence of old mice, by infusing them with blood from young humans. Young blood led to improved brain function and reversed symptoms of ageing. It helped reduce memory loss; and slowed the decline in muscle function, metabolism and bone structure.

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1aER8 TIL Shishi-odoshi, used in japanese gardens as part of the visual and aural design, were originally designed to scare away animals such as deer or boars from grazing on the plants nearby.
78ZZZ TIL in South Vietnam during the Buddhist crisis, a hugely oversized carp was found in a small pond. It was believed to be a reincarnation of one of Buddha's disciples, and the Catholic government ordered it mined and machine gunned, which it survived. This catapulted the fish's fame to new heights
pYyvN TIL that Euclid's Parallel Postulate had no mention of parallel lines. Although parallel lines exist as a consequence of the postulate, the postulate actually describes how the opposite case arises: how lines intersect. Parallel lines are the negative case of the postulate: lines that never meet.
68JQ TIL two men were brought up on federal hacking charges when they exploited a bug in video poker machines and won half a million dollars. His lawyer argued, “All these guys did is simply push a sequence of buttons that they were legally entitled to push.” The case was dismissed.
8aYn8 TIL of Jack Parsons, an American rocket scientist and occultist follower of Aleister Crowley. He was defrauded of his life savings by his friend L. Ron Hubbard, worked for Howard Hughes, homebrewed his own absinthe, and died in a lab explosion a colleague claims while trying to create a homunculus.