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TIL helium can’t be artificially produced and is formed in natural gas wells as ancient uranium decays. The half-life of the most prevalent uranium isotope is billions of years old (older than Earth itself), so helium takes inordinate amounts of time to form.

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R57m9 TIL Andorra has one person act as ambassador to the United States, Mexico, and Canada. Elisenda Vives Balmaña is the current ambassador to the three countries and was formerly the ambassador to Italy and Morocco.
0OdL TIL that a green card for an entire family can be purchased from the US Government for $1 million. Anyone who invests $1 million and creates at least 10 permanent jobs, or invests $500,000 in a targeted area is automatically entitled to permanent residence, for them and their family.
KOJ99 TIL that Milla Jovovich sang on the Underworld (2003) soundtrack and has released multiple songs.
e0Mjn TIL that 73% of cars are white, black, silver, or grey.
yJJl TIL that 1389 people died at Tsar Nicholas II’s coronation party as people were trampled due to rumors that there wasn’t enough free beer and food.