› added 5 years ago

770

TIL that blood comes in a rainbow of colors

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k7B4 TIL Andy Weir, the author of The Martian, was so keen on getting every detail right, he wrote programs to calculate the orbital paths of spaceships that appear in the book.
d8dD9 TIL part of the static seen on analog televisions is cosmic background radiation from the big bang.
4knvo TIL in the 1880s, the Harvard Observatory director was frustrated with his staff, and would say "My Scottish maid could do better!" So, he hired his Scottish maid. Williamina Fleming ran a team for decades, classified tens of thousands of stars, & discovered white dwarfs and the Horsehead Nebula.
ROwj TIL, Dolphins in Brazil force fish towards fishermen, signal when nets should be thrown, then share the catch.
P1M9L TIL that foods such as: cheese, wine, chocolate, and others are technically illegal in Florida. This is because they contain the trace amine tyramine which is considered a schedule I hallucinogen. This is despite tyramine not actually having any hallucinogenic effects and being widespread in foods