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TIL that Walmart uses a sophisticated algorithm to determine the optimal temperature at which to display different products in its stores. By carefully controlling the temperature, Walmart is able to increase sales and reduce waste.

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via reddit.com

kO8vg TIL a CIA project called 'Operation Paperclip' allowed hundreds of Nazi scientists to live freely in the US providing them cushy jobs and a high standard of living. Many of these scientists have committed horrendous war crimes, like experimenting on live humans with chemical and biological weapons
01e5 TIL That you don’t really need to brush twice a day AFTER meals. Brushing is really just about cleaning the plaque which houses microbes on your teeth. It’s better to clear the plaque before meals so that your meals don’t feed the plaque which feeds the teeth-damaging microbes.
5YWbp TIL that Battle of Grunwald painting depicting Polish-Lithuanian victory over German Teutonic Order topped list of most wanted paintings by Nazis, whoes aim was to destroy it. Bounty of 10M marks was offred by Goebbles and several restance mebers died protecting its location, but it survived the war
R7OA1 TIL gasoline is a byproduct of distilling crude oil for kerosine. Originally it was discarded. It wasn’t Until 1892, with the invention of the automobile, that gasoline was recognized as valuable.
0yaA TIL that Superman helped to stop the KKK from growing power in the south, in a 16 part series titled “Clan of the Fiery Cross." Within two weeks of the broadcast, KKK recruitment was down to zero. And by 1948, people were showing up to Klan rallies just to mock them.