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TIL How lighthouses project light to extreme distances.

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wdAY TIL 14 of the world’s 25 largest stadiums belong to American college football teams.
yQvme TIL in 2015, the waiting time for organ transplants in America decreased for the first time in 25 years — and it's been decreasing ever since. The reason, however, is the massive increase in drug overdose deaths.
16Lxd TIL in 2024 Bear 32, also known as Chunk, was observed eating 45 sockeye salmon in 10.5 hours from Brooks River in Katmai National Park & Preserve. At an estimated average of 3,000 calories per fish, Chunk consumed around 135,000 calories in that one sitting.
Z8B4o Today I learned that male pattern baldness evolved to compensate for the insulation effects of beards and thereby keep men's heads from overheating.
lobxA TIL a giraffe heart spans 2 feet and weighs 25 pounds