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TIL that mountain lions kill animals much larger than they can eat in a sitting, because other predators (wolves, bears, etc) will inevitably steal their prey. These carcasses become complete ecosystems to several insects who travel from carcass to carcass.

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DejV TIL a psychiatrist in the 40s drove around the United States giving hundreds of lobotomies in a van called the “lobotomobile”.
vPMex TIL There are historical accounts of lion populations living in Europe as late as 12th century CE. In most parts of Europe, lion became extinct until 4th century CE.
pYv88 TIL Charlie Parker attempted suicide in 1954. The death of his two-year-old daughter, the cumulative effects of his excesses with drugs and alcohol in his health and his crumbling career were contributing factors for his breakdown.
nW4bd TIL almost no ticks and mites have faces. Instead, they have a gnathosoma, which is effectively a giant mouth. They need to rely on vibrations to perceive their environments and find hosts.
g5kb TIL a woman by the name of Lydia Fairchild took a DNA test that showed that the biological mother of her own children was her twin sister that did not exist. Further testing showed she was a chimera: a person who absorbs their twin in the womb and has two sets of DNA.