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TIL The 2 % failure rate for Condoms means that for every 100 couples using them for 1 year 2 will get pregnant and not 2 times per 100 intercourses.

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QJ8Wk TIL there has been a fire burning since 1962 underneath the borough of Centralia, Pennsylvania causing residents to evacuate and has turned the town into a "near-ghost town" with only 7 residents left.
4X1N5 TIL the whale shark (Rhincodon typus) is the champion among fish - it can reach a length of 13.5 m and a weight of 34 t! It is assumed that it can grow significantly more. It lives in the open waters of tropical oceans and it is rarely found in waters that have a temperature below 22 ° C.
9YWj6 TIL animals can't make vitamin D in their skin because their fur or feathers shade it from the sun. In the oils secreted on their fur or feathers are the precursors, and after vitamin D is produced they lick it up when grooming.
yQvme TIL in 2015, the waiting time for organ transplants in America decreased for the first time in 25 years — and it's been decreasing ever since. The reason, however, is the massive increase in drug overdose deaths.
DQwJ TIL There’s a rare natural disaster in which a lake erupts with CO2 asphyxiating any livestock or humans nearby.