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TIL that while most Americans think violent crime is worsening, violent crimes occur three times less than they did in 1973

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via reddit.com

8aRj8 TIL, the unconfirmed record for fastest moving manmade object is a manhole cover propelled by a nuclear detonation. A high-speed camera trained on the lid caught only one frame of it moving upward before it vanished—which means it was moving about 125,000 miles per hour
Me5n7 TIL the sky on Mars is red and its sunsets are blue, exactly the opposite of Earth's.
VBBoQ TIL that the LDS (Mormon) Temple in Stockholm, Sweden was built on top of ancient viking iron age burial grounds.
MwK8 TIL Ethel Merman’s last film appearance was “Airplane!,” where she played a man who thought he was Ethel Merman.
nYyb TIL Glenn Howerton from It’s Always Sunny in Philadelphia was born in Japan, and grew up in London and South Korea