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TIL Newly discovered fossils show that moths and butterflies have been on the planet for at least 200 million years whereas flowering plants came along around 130 million years ago. Butterflies survived without flowers for 70 million years

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oBxNL TIL Slip 'n Slides are for ages 5 to 12, one teenager and seven adults had become paralyzed or received neck injuries before they were taken of the market but reappearing in the 2000's with the age restricted warning label.
rRLd4 TIL that generations cycle throughout history. A passionate generation (Boomers) is always followed by a cynical one (Gen X), then a practical one (Millennials), and finally a pragmatic one (Gen Z). You can compare Gen Z to the Silent Gen due to this, who both faced surprisingly similar challenges.
bbWN TIL in 2001 a Los Angeles man, upset at the poor exit signage on the 110 Freeway, modified an overhead sign under the cover of night. Caltrans investigated it, approved of the workmanship, and left it up for eight years.
Y7MZP TIL the U.S. Virgin Islands used to be called the Danish West Indian Islands. At the time the islands were nominally under the control of the King of Denmark, but were given up through a treaty.
ADxLw TIL of Planet Nine - A hypothetical, 10x Earth-sized planet within our solar system that orbits around the sun every 15k years. This hypothesis is currently supported by Jim Green, director of NASA's Science Mission Directorate and professor Tom Levenson of MIT.