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TIL the Svalbard Global Seed Vault on an island in Arctic Norway is the ultimate backup for the earth's food supply, storing several hundred million seeds from thousands of species of agricultural plants from 80 nations, tucked away in metal pouches at -18°C

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M0JB TIL that French schools are banned from serving ketchup with French foods.
jNDjX TIL that Nicolas Ferrial, the jester of King Francis I, once slapped the monarch on his bum. Nicolas was to be executed for this deed but the king promised to forgive him if he comes up with an apology even more insulting than the slap. And the jester delivered: 'I mistook you for the Queen!'
rREEd TIL there is a mathematical "game" called the homicidal chauffer problem, in which a driver in a fast but slow-turning car tries to run over a slower pedestrian who has more freedom of motion. It is used to improve missile guidance systems.
JYdWB TIL about Zeal Akairaiwai, the Nigerian man who pays medical bills for fellow Nigerians that cannot afford to do it. He does that every week and had saved countless lives so far. As he said: "Be the angel you hope to meet".
kOKgm TIL there is a bird named honeyguide. it is guiding humans to bee colonies. Once the hive is open and the honey is taken, the bird feeds on the remaining larvae and wax.