› added 11 years ago

91

TIL Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe

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g4WW TIL Aerogel (an ultralight material used by NASA) was created by a scientist as the result of a bet whether he could replace the liquid in jellies with gas
d8Am9 TIL Crows have a basic understanding of language and can use words like “Hello,” correctly inferring its use as a greeting
pGMb TIL that there are more slaves today than ever before in history, despite it being illegal everywhere.
4wWR TIL that Tim Schafer is officially listed in the credits of two “Star Wars” games under the position “"Never actively tried to sabotage the project”
w9P1 TIL Benjamin Franklin was an advocate of “air baths”, during which he would spend up to an hour reading or writing in his house completely nude.