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TIL Archaeologists excavating a cave in the mountains of central Mexico have unearthed evidence that people occupied the area more than 30,000 years ago — suggesting that humans arrived in North America at least 15,000 years earlier than thought

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j6oZp TIL Of the vegetable lamb of tartary. How northern Europeans explained cotton in the middle ages.
GYwNQ TIL the US military is developing a plane capable of Mach 6 (4,600 mph) to succeed the now-retired SR-71 Blackbird, which flew at Mach 2.8. This new plane, the SR-72, is unmanned, will perform surveillance and reconnaisance, and a protoype will fly in 2025 before entering service in 2030.
N7gd6 TIL chilli peppers are used to make paint for ships to prevent barnacles from settling on them. This is a better alternative than toxic paint and is used because barnacles can make a ship use up to 30% more fuel.
p8kgO TIL Grover Cleveland placed his first (illegitimate) child into an orphanage and had the baby's mother committed to an insane asylum in order to cover up the scandal.
oBeoA TIL: Memoirs of a Geishsa (2005) was protested for racially insensitive casting. Japan felt it was wrong to cast Chinese actors to portray Japanese people, while the Chinese felt it was insulting for a Chinese to have to portray a Japanese.