› added 2 years ago

201

TIL: Fish can cough through their gills

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nWkko TIL that it was originally planned to have four clip shows per season in “The Simpsons” in order to cut production costs.
mxJLx TIL that the German constitution has an eternity clause that prevent changes of its fundamental core values
p8WRN TIL: Breakfast being “the most important meal of the day” originated in a 1944 marketing campaign launched by General Foods, the manufacturer of Grape Nuts, to sell more cereal. During the campaign, grocery stores and radio ads promoted the importance of breakfast.
dD0lZ TIL the vast majority of the Earth's mantle is not magma but rather solid rock because of the extreme pressures. The viscosity of this rock is comparable to that of normal glass at room temperature, hence why plate tectonics only moves at speeds measured in centimeters per year.
J1rRv TIL North Korea is ranked highest in the world in terms of the percentage of population in slavery, with 10.4 percent (2,696,000 ppl) enslaved as per the Walk Free Foundation's 2018 Global Slavery Index. NK is the only country in the world that has not explicitly criminalized any form of slavery.