› added 7 years ago

191

TIL There used to be mushroom farms in the Paris Catacombs

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M7mv0 TIL The People of the Swiss town of Champagne is not allowed to use their name on any product produced there. Due to a deal struck between Switzerland and the EU.
waEM TIL that a soccer ball that was on board Space Shuttle Challenger, was recovered, and is now in orbit around Earth aboard the International Space Station
9YWj6 TIL animals can't make vitamin D in their skin because their fur or feathers shade it from the sun. In the oils secreted on their fur or feathers are the precursors, and after vitamin D is produced they lick it up when grooming.
8apJb TIL The Potato paradox. If a 100 kg of potatoes consist of 99% water, but dehydrate so that they are only 98% water, they now only weigh 50kg.
o0WW TIL that to determine the quality of caviar, some fisherman will suck eggs out of a live fish with a straw to test how “ripe” they are.