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TIL the first sports bra was made in 1977 by sewing two jock straps together. Its literal test run was performed by of its two inventors: one jogging forwards wearing the Macgyvered prototype while her friend ran ahead, jogging backwards so she could assess her friend's "bounciness"

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oBmm7 TIL Mel Blanc smoked a pack of cigarettes a day from age 9. Unsurprisingly, he died of coronary artery disease.
e0Jak TIL that, unlike adult cataracts, which can be removed after years and normal eyesight is restored, severe pediatric cataracts must be treated within weeks or the brain will learn to permanently ignore the defective eye.
6Ev7l TIL about "The Radium Girls", female factory workers who contracted radiation poisoning from painting watch dials with self-luminous paint. The women, told the paint was harmless, ingested deadly amounts of radium after being instructed to "point" their brushes between their lips for a fine point.
gr8Yy TIL Canada did not have official residences for its political leaders until 1950. Laurier House in Ottawa was home to two Canadian Prime Ministers in the decades prior and served as PM Mackenzie King's unofficial office where he conducted much of the nation's business
xJZ1 TIL when asked what happened to Carol Brady’s first husband, Florence Henderson would say “I killed him.”