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TIL that up until 2018, colored eggs were considered to be an avian innovation that had evolved in birds. However, a phylogenetic analysis published in nature found that colored eggs evolved deep within the dinosaur tree and long before the radiation of modern birds.

Read more nature.com

via reddit.com

v7vK TIL that in a few Appalachian forests there are fireflies that glow blue for up to a minute instead of flashing yellow
E1rEx TIL that Joseph Stalin had a secret lab that analyzed the poop of foreign leaders in order to build their psychological profiles and even reportedly refused an agreement with China’s Mao Zedong after reading an analysis of his poo
kewd TIL the NFL is classified as a ‘Not-For-Profit’ organization for tax purposes
d8b6r TIL the Stephen King book, The Tommyknockers, was loosely based on a creature from the folklore of Cornish miners. To some, knockers were malevolent spirits who knocked on supports to cause a cave-in. To others, the knocking a way of warning the miners that a collapse was imminent.
LQdeP TIL in 1660, a man disappeared and his items were found cut and sprinkled in blood. It was claimed that his brother and mother had killed him and dumped his body in a pond. No body was found but they were found guilty and hanged. The man reappeared in 1662, claiming to have been abducted by pirates