› added 6 years ago

67

TIL people used to believe toothaches and other dental problems were caused by "tooth worms" that lived in our teeth and consumed them from the inside out.

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p8Wxe TIL the US manufactured enough Purple Heart medals in preparation for a possible invasion of Japan in 1945, that they still awarded ones manufactured back then during the recent Iraq and Afghanistan wars
e08xn TIL The exclamation "Yee-haw" was invented by Hollywood. It may have come from the terms to lead a team of horses right (gee) and left (haw).
eeOg TIL People with surnames beginning with a letter near the start of the alphabet are more likely to win a Nobel Prize, due to being listed first in scientific papers.
W7vWL TIL John Nash's son, John Charles Nash, also has a PhD in mathematics and lives with schizophrenia.
9wweX TIL Yu-Gi-Oh holds the Guinness World Record for top selling trading card game. As of January 2021, it is estimated to have sold about 35 billion cards worldwide.