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TIL the average child in the UK spends less time outdoors than prison inmates

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x6jN5 TIL that airplane cabin pressures at cruising altitudes are around 11 to 12 pounds per square inch (PSI) which is lower than at ground level (14.7 PSI). This is similar to the pressure one experiences on a mountain that is between 6,000 to 8,000 feet high.
Bgwny TIL there is a UN space treaty that governs stuff like no nation can build a military base on a planet
mxZoY TIL the notoriously austere and disciplined Spartan King Agesilaus was once caught by a friend riding a stick horsie while playing with his kids. The King begged his friend not to tell anyone, saying he'd understand once he had kids of his own.
lo7l7 TIL that 250 men dies of breast cancer in U.S
QN1p TIL the term “River” in typography is when there are gaps in typesetting, which appear to run through a paragraph of text, due to a coincidental alignment of spaces.