› added 11 years ago

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TIL the sign language equivalent of a tongue-twister is known as a finger-fumbler.

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4ybR TIL Washing dishes by hand uses almost 7 times the amount of water as a modern dishwasher (103L vs. 15L for a full load)
LkZVv TIL that in 3000 BC the North Star was not Polaris, but a star called Thuban, because the axis of the earth was pointed in a different direction back then. This is because of the precession of equinoxes speeding and slowing down of the earth's spin through imperceptible intervals.
exE5 TIL a mental hospital once challenged a psychologist to send in fake patients, who they would then identify. In a week when 193 patients were admitted, the hospital identified 41 imposters. It was later revealed that the psychologist sent no one at all.
nW5vr TIL Nearly 25,000 people a year set off up Mt Kilimanjaro, and 25 die. Many get head pain, nosebleeds and unexpected vomiting along with fatigue and shortness of breath. As it gets steeper and colder, climbers rest every 15 paces
LkwQp TIL that one of the main reasons you aren't supposed to eat after the dentist is because the lack of pain from numbness can cause you to bite parts of your mouth off, like lips or tongue.