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177

TIL Cats only meow towards Humans. In the wild they never meow.

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VJoQ TIL Sandia Labs engineers created a ‘self-guided’ bullet that directs itself like a tiny guided missile and can hit a target more than a mile away.
v1Nex TIL that if you folded a piece of paper 42 times, it would be thick enough to reach the moon. It would take just 23 folds for a .1-millimeter piece of paper to be one kilometer thick, and 30 folds for it to be thick enough to reach outer space (100,000 kilometers). With 51 you will burn in the Sun.
W79n9 TIL 1 of 2 German V1 rockets in the US is located at the courthouse in Putnam County, IN. After WWII, a local resident working in arms disposal thought it a shame to dispose of the relic, and had it placed in his hometown. It is now a memorial for local veterans who lost their lives during the war.
aA1A TIL the genetic IQ of the world’s population is going down by 1.34 points per decade, because intelligent people have fewer children on average.
7yWL TIL of Mary Fields, aka “Stagecoach Mary,” a 6 ft, 200 lb former slave who, at age 60, was hired by the U.S. Postal Service as she was the fastest applicant to hitch a team of horses. She never missed a day of work, and when the snow was too deep for her horses, she carried the mail on her back.