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TIL sharks have been around for longer than trees

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MQAB TIL that Loch Ness is so long, wide and deep that it could hold the entire population of the world 10 times over
XEVgR TIL Grizzly bears' muscles suffer no atrophy despite months of inactivity in hibernation; scientists discovered that non-essential amino acids (NEAAs) regulated by particular grizzly bear muscle proteins allowed muscle growth during inactivity.
P1NEO TIL The most powerful microscope in the world is the Titan Krios. A 12-foot cryogenic transmission electron microscope (cryo-EM), which costs upward of $6 million. It is the most powerful and flexible high-resolution TEM for 3D images of biological samples.
VGWk TIL, Thomas Everett Blasingame was a Texas cowboy for seventy-three years. At ninety-one, he was still on the job at the JA Ranch south of Amarillo. Two days after Christmas in 1989, he dismounted his horse, Ruidosa, stretched out on the grass, folded his arms across his chest, and died.
K7AQ TIL there are 2 stoplights in the entire US Interstate System. One at the Holland Tunnel in New Jersey, and one in Breezewood, PA