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TIL The Apple program HyperCard, a precursor to the first web browsers, was inspired by an acid trip that Apple engineer Bill Atkinson had

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VB0Ek TIL that a combustion engine in a car running at 4000rpm will consume ~ 0.2 liters of gasoline per minute, and a staggering 10,000 liters of air per minute.
4kmVw TIL The mantis shrimp, known for its vibrant colors and extremely complex eyes, possesses one of the most sophisticated visual systems in the animal kingdom. It can see both ultraviolet and polarized light and has twelve different types of color receptors, compared to humans who only have three.
neQGP TIL Miguel de Cervantes, author of Don Quixote, enlisted in the Spanish navy in 1570. In 1575, he was captured by Ottoman pirates and taken to Algiers. He was held for 5 years in captivity then eventually ransomed and returned to Madrid.
7rv5b TIL that Toxoplasmosis, a parasite affecting cats and mice, removes mice fear of cats. This allows the mice to be eaten by cats, thus transmitting the parasite to the cat and completing its life cycle.
78rMX TIL that Elbridge Gerry is the only signatory of the Declaration of Independence buried in Washington, D.C.