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TIL a blue whale’s age is determined by its ear wax

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via reddit.com

pmAA TIL that Fred Trump, the father of Donald Trump, was best known as one of a small number of major builders of middle class housing in New York after WWII. His estate at his time of death was estimated at up to $300 million, but he did not believe in displays of wealth.
Eg9ew TIL that, if a tree falls in the forest, and there is no one around to hear it, does it make a sound is a philosophical experiment around consciousness.
E1r1X [TIL] Losing an hour of sleep after daylight savings results in a 24% increase of heart attacks whereas gaining an hour of sleep after daylight savings results in a 21% reduction of heart attacks.
J1vyv TIL about a study where monkeys were shown to be willing to pay (sacrificing food) for risque photos of other monkeys
R55M7 TIL after the eruption of Mount St. Helens in 1980, a team of dredges had to work day and night to clear debris from the Columbia River. When they were finished, they’d collected enough material to fill a football field nearly seven miles high.