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TIL medical science has not yet discovered what causes muscle knots

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VMOmD TIL my ancestor lived to 128 years old and fought in the Glorious Revolution and the French Indian War.
16apr TIL unlike poison, snake venom is generally not effective when swallowed, since venom is meant to go directly into the bloodstream to cause damage. (Please do not drink snake venom)
n6OB TIL Bubble Wrap was originally intended to be used as 3D wallpaper
Bg1vW TIL Oakum, tarred fibre used for caulking, was recycled from old tarred rope by prison labor. A man sentenced to hard labor would be expected to pick apart 6 pounds of rope into Oakum per day.
EYax TIL Tesla cars are only one gear. the electric powertrain (Nikola Tesla’s AC induction motor) is only the size of a watermelon and directly spins the back wheels without any driveshaft or transmission. you can break by releasing the gas pedal and that also recharges the battery (@ 22:39)