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TIL Indigenous South Americans had advanced metallurgy and worked platinum with sintering method prior to contact with the European settlers. Platinum has a melting point of 3218 F. Europeans were unable to work platinum until the 19th century.

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NM8Q TIL Indian citizens fought against corruption by paying bribes with 0 rupee notes designed to look like 50 rupee notes.
YKyd TIL Charles Darwin suffered from agoraphobia (panic disorder). He suffered constant nausea, trembling, and crying; rendering him virtually bedridden from the age of 30 until his death. His disorder was so severe he even avoided conversations with his own children.
ne0nW TIL there's seven species of dinosaur that have a 'live' appearance in the film Jurassic Park, but only two, the Brachiosaurus and Dilophosaurus were actually from the Jurassic period. The other five: Gallimimus, Parasaurolophus, Triceratops, T-Rex, and Velociraptor were all from the Cretaceous.
jMXa TIL that in WW2 JFK swam 4 hours to safety while towing an injured crewman with his teeth after his ship was destroyed. (In the Greatest Display of Badassedry Section)
NX558 TIL that a controversial psychiatric technique called recovered memory therapy routinely resulted in patients imagining memories of satanic rituals contributing to the 1980s satanic panic