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TIL an ounce of gold is heavier than an ounce of feathers, a pound of gold is lighter than a pound of feathers and a kilogram of gold and feathers are equal in weight.

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D17Yg TIL With hearing loss, the signal from the ear becomes weak and noisy, like a poorly-tuned radio. The brain's predictive mechanisms therefore have to work very hard to make sense of what we are hearing. These processes sometimes end up running away with themselves to cause musical hallucinations
e0MO6 TIL Pakistan used Indian currency notes from 1947 to 1948, Indian notes were stamped with ‘Government of Pakistan’ title | The Reserve Bank of India acted as the common currency authority for India and Pakistan until September 1948
YvJP TIL Red placebo pills are more effective than Blue placebo pills
neWa7 TIL that during the Black Plague, the Jewish community had a lower infection risk than other populations. Among the theories, they suggest that Jewish religious practices promoted better health since so many rituals relate to hygiene. It resulted in the Jews being accused of causing the Black Death.
7rOxO TIL In 1970, psychologist Timothy Leary was sentenced to 20 years in prison. On arrival, he was given a psychological evaluation (that he had designed himself) and answered the questions in a way that made him seem like a low risk. He was assigned to a lower-security prison from which he escaped.