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TIL of a boy in Pakistan who was 100% immune to physical pain due to a genetic condition. He would stab his arm without flinching and walk on hot coals barefoot during street performances. He died in 2006 after jumping off a roof for a performance.

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vWYL TIL that Colgate-Palmolive acquired Mennen, the manufacturer of Teen Spirit deodorant, for $670 Million in 1992; motivated by the popularity of Nirvana’s single ‘Smells Like Teen Spirit"
XELmR TIL the Appalachian Mountains were once part of a mountain range called the Central Pangean Mountains, which were created when the supercontinent Pangea was formed about 335 million years ago. Other mountains that were once part of that range are now in Africa and Scotland.
OGlv7 TIL: Aretha Franklin’s father, C.L. Franklin, was a famous civil rights activist. Known as “the Man With the Million Dollar Voice,” he was a friend to MLK Jr and a successful minister. Franklin was shot during a home invasion in 1979 and spent his final five years in a coma, dying in 1984.
QNk56 TIL Earthquakes leave heat signatures. Friction from large earthquakes can heat the slip zone over 1000 degree Celsius higher than the surrounding rock leaving behind glass-like pseudotachylytes which can be used to estimate the energy of the event.
p8ADA TIL that San Francisco had an outbreak of BUBONIC PLAGUE in 1900–1904 that killed 119. While city officials acted quickly to contain it, California Gov. Henry Gage covered it up to protect the powerful railroads and other businesses. Some newspapers helped by defaming the city health commissioner.