› added 8 years ago

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TIL There is a ‘reverse zoo’ in China that puts the visitors inside cages and allows the animals to roam free to give them less stress to boost a longer lifespan.

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R7M5a TIL there's an auditory illusion named the Shepard Tone, where multiple octaves are looped in such a way that it sounds like it's a sound rising in tone for infinity.
E5Nd TIL that mustard gas led to chemotherapy. During a World War II air raid, German pilots hit an American ship which had a secret stockpile of mustard gas. Doctors noticed that the gas suppressed cell division, which could fight cancer.
b9BDN TIL Sylvester Graham invented graham crackers as part of a radical vegetarian diet meant to curb the desire to masturbate
loenA TIL that, in America, before TV was on 24 hours, there was a nightly sign off where the Star Spangled Banner was played and an image of the American flag was shown before the TV cut to static.
epELJ TIL learned that Belize was a British colony