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TIL Plastic trash bags weren't widely available until the late 1960s. The drawstring was introduced in 1984.

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MepaB TIL people can genuinely lie without knowing it due to ‘Confabulation’: the production or creation of false memories without the intent to deceive, sometimes called "honest lying."
LQQv TIL Sand doesn’t stick to beach volleyball players because its size is regulated by the International Volleyball Federation.
dj77 TIL that scientists have discovered that people yawn more in response to the yawns of people they care about most.
Pwdn TIL that fascist dictator Francisco Franco brought back the Spanish Monarchy, but the King of Spain instituted a democracy instead as soon as he came into power.
x6gyg TIL Boeing once filled an airplane with potatoes to test its in-flight Wi-Fi because potatoes mimic the way humans absorb and reflect wireless signals.