› added 12 years ago

96

TIL Earth is the densest planet in the solar system.

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mny TIL that the fruit fly has the longest sperm cell, 2.3 inches long.
d8Jmj TIL that the average workweek for a manufacturing employee in the 1890s was 100 hours. The five day, 40-hour workweek didn't become standard until 1940 thanks to the passing of the Fair Labor Standards Act, which required employers to pay overtime to anyone working more than 40 hours.
Z8XGG TIL that the Fahrenheit temperature scale was the only used temperature scale in the English Speaking world until the 1960s. Britain and Canada among others converted to Celsius, with the US being the exception.
AYno TIL renown Serbian tennis player Novak Djokovic has purchased the entire worlds supply of donkey cheese, ensuring that the delicacy is only served in his restaurants.
J1vll TIL that there were all metal lighter-than-airships built and operated and that ZMC-2 was the most successful, completing over 750 flights.