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TIL a nurse wanted to know if her farts were contaminating equipment in the lab. The doctor and a microbiologist tested the hypothesis by having a colleague fart clothed then naked onto two Petri dishes. The conclusion was that clothing acts as a filter, but naked farts can cause contamination.

Read more ncbi.nlm.nih.gov

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yQ68v TIL about "Pele's tears" and "Pele's hair" which are named after the Hawaiian fire goddess of volcanoes, Pele. Pele's tears are small pieces of solidified lava drops, whereas Pele's hair is thin strands of volcanic glass. Pele's tears are often found on one end of a strand of Pele's hair.
mxpBP TIL of Melodic Intonation Therapy. Often after a stroke or other types of aphasia, people are unable to speak. It has been found that the they often still have the ability to sing.
XKE8 TIL Drew Carey, a minority owner of the Seattle Sounders, decided that they needed a marching band. Thus, the first and only Major League Soccer marching band.
Ypvvx TIL, actress Linda Hamilton who had a role of Sarah Connor in Terminator movies had a brief marriage with director James Cameron in 1997, the year that Judgment Day would have taken place in the movie franchise.
m1NYx TIL that Franklin D. Roosevelt likely had Guillain-Barré Syndrome, not Polio.