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TIL that phantom vibration syndrome (PVS) refers to the false perception that one’s mobile phone or other technological device is vibrating when it is not.

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7rVnr TIL The Mars rover only hummed "Happy Birthday" to itself once, and doesn't anymore
oBxgr TIL that agriculture was not invented by humans: Fijian ants began farming fruit millions of years ago, gathering seeds, seeking out cracks in tree bark to plant them in before fertilizing them with their own poop
WAnL TIL Kublia Khan’s niece Khutulun insisted that any man who wished to marry her must defeat her in wrestling and forfeit horses to her if they lost. She gained 10,000 horses defeating prospective suitors.
VMeam TIL of Elan School, a child behavior modification camp operating from 1970-2011. Using Lord of The Flies style techniques, they would psychologically destroy the children for years, leading to extraordinarily high suicide rates. If a child escaped, bounty hunters would chase them across the country.
epZX4 TIL Eiffel Tower can be 15 cm taller during the summer due to thermal expansion