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TIL the first computer mouse was made of wood

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kOVRB TIL the last US President who was fluent in a language other than English is Franklin D. Roosevelt, who spoke good French and German. Roosevelt died in office in 1945
a8D0A TIL more than 1 in 10 Americans have no close friends. The share of Americans who have zero close friends has been steadily rising. From 3% of the population in 1991 to 12% in 2021. The share who have 10 or more close friends has also fallen - from 33% to 13%.
0GG1 TIL human breast milk contains sugars (oligosaccharides) intended to feed intestinal bacteria, rather than the infant itself.
GVrN TIL that in the early 1900s oyster fishermen in Narragansett Bay tried to eliminate starfish that were preying on their oysters. Whenever they encountered starfish, they chopped them up with their knives and threw them back into the water. As a result, the sea star population increased explosively.
Lkrgv TIL that the Soviets told the inventor of the Theremin that "electricity is not good for music; electricity is to be used for electrocution" and then fired him