› added 11 months ago

33

Til the first recorded use of sonar technique was by Leonardo da Vinci in 1490

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bEmQ TIL people who speak English with an accent, but sing without one, are simply singing in a way that comes naturally, which also just so happens to be the core of what many people consider an “American” accent.
69LAW TIL that Winston Churchill, was directly responsible for creating Bengal famine of 1943 which ultimately killed about 3 Million Indian Bengalis.
JYV58 TIL that companies don't follow the existing standard for the sizing of women's clothes. In 1937 a woman with a 32" bust would wear a size 14. In 1967 it was an 8. Then in 2011, it was a size 0. More expensive brands of women's pants tend to be smaller than those from cheaper brands.
0dWyM TIL of CPR-induced consciousness, “a rare but particularly awful effect of CPR” where chest compressions circulate enough blood to the brain to awaken the patient during cardiac arrest, who may then experience ribs popping, needles entering their skin, a breathing tube passing through their larynx.
L9rr TIL that your probability of earning more than your parents in the US has progressively dropped since 1940