› added 11 years ago

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TIL John Cena holds the record for wishes granted with the Make-A-Wish foundation by any celebrity at over 400

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0wBoL TIL the armonica which Benjamin Franklin invented in 1761 (and some believed caused madness) owes its disorienting sound due to the way we perceive and locate sound. Above 4khz we use loudness for location. Below 1khz we use phase differences. The armonica (1-4khz) is in a range the brain is unsure.
R7BPj TIL that fans dont make the room colder, they make you colder by evaporating your sweat
oyvW TIL a bidet is considered a key green technology and uses significantly less water, electricity, and wood than a single roll of toilet paper
x68E5 TIL only the Special Editions of the original Star Wars trilogy were given to the National Film Registry despite the Library of Congress wanting the originals because George Lucas hates those versions. In fact, he had delayed in handing the Registry A New Hope until the Special Edition was made.
E1WnX TIL Scientists have turned spinach into beating human heart tissue