› added 12 years ago

69

Today I learned, that the NBC peacock was used in order to obtain the correct frequency on color TVs when they first came out.

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ANgj4 TIL that even the tiny, urbanised nation of Monaco supports a small agriculture sector.
b6YB9 TIL After William Harvey discovered blood pathways in 1616, people tried to use fluids such as beer, urine, milk, and non-human animal blood as a blood substitute.
6EJDW TIL there are over 200 billboards in Sweden that also function as 'bee hotels' with holes drilled in them
R7rK7 TIL that in 1949 the Costa Rican government abolished their army, stating that the army "would be replaced with an army of teachers." The country has free universal public education and a literacy rate of 97%.
0VXp TIL in the 1940s the Idaho Fish and Game Dept relocated beavers into the wilderness by dropping them out of airplanes with parachutes