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TIL Eratosthenes Calculated the circumference of the earth about 2200 years ago. His calculation 40,000 km (in modern units) is within 1% accuracy of earth’s circumference 40, 072 km (measured by orbiting spacecraft).

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kOaOm TIL that cruise ships have morgues in them. On average, roughly 200 people die on cruise ships each year so most ships have the capacity to store up to 10 bodies at a time
BrAge TIL the “R” in the abbreviations “Mr.” and “Mrs.” are contraction forms of the titles “Master” and “Mistress.”
vBBD TIL that Roald Dahl wrote ‘The Twits’ because he hated beards and wanted to “do something against [them]”
O0g TIL Guitar distortion in Marty Robbins 1961 song “Don’t Worry” was due to an electrical fault in the guitarist’s amp. Other musicians sought to recreate this “fuzz” sound leading to the first purpose-designed commercial distortion circuit being released in 1962.
wVm1 TIL musicians brainwaves sync up when they play music together