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TIL Lungs are not symmetrical. Your right lung has three lobes and the left has two.

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p8By8 TIL in 1955, Jack Graham placed a bomb in his mother's suitcase in order to collect on insurance he purchased moment before her flight. The blast killed her and 43 other people on the plane
QJmEM TIL that the second tallest mountain on Earth, K2, is much deadlier to climb that Everest. Approximately one person dies on the mountain for every four who reach the summit
yVvRV TIL that the Nobel Prize-winning physicist Erwin Schrödinger kept a journal he called Ephemeridae that detailed his sexual exploits, including some with girls as young as 12.
LQvrP TIL that Desmostylia, extinct ancestors of manatees, had a unique way of feeding: they vacuumed seagrass from the seafloor by uprooting it entirely with their mouths. This distinctive feeding method likely contributed to their extinction as they competed with other marine herbivores.
DQBGj TIL that the inspiration behind Professor Snape in Harry Potter was a chemistry teacher John Nettleship. Nettleship at first was upset about this attribution, but later came to embrace it, even writing a book.