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TIL: The card game Cards against humanity bought an island to preserve wildlife, it was named "Hawaii 2"

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4gZa TIL that when John Walker used a stick to stir a pot containing antimony sulfide, potassium chlorate & sulfur, some of the mixture stuck to the end of the stick. When he tried to scrape the lump, it easily caught fire (due to friction) & this led to the birth of friction matches.
l7517 TIL France detonated its 1st atomic bomb, the Blue Jerboa, on Feb. 13, 1960 in Saharan Algeria. This was the 1st of 17 nuclear weapons detonations that occurred in the area between 1960 & 1966. The Blue Jerboa was 3 times more powerful than the atomic bomb the US dropped on Nagasaki, Japan in 1945.
oBvjA TIL about Rat Kings. They are rats tangled by their tails and can consist of up to 30 rats.
JYMxV TIL that Tutankhamun's mummy contains oldest known genetic proof of malaria.
dDwAd TIL Even during cloudless days with clear air, you can see a bright ring around the Sun caused by the scattering of sunlight in the atmosphere. A coronagraph and visual skyphotometer can study the intensity of solar aureole