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TIL Harriet Tubman suffered from narcolepsy. She developed the condition as a result of a head injury sustained when she defied an order from the slave master.

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yQ0Lw TIL that scientists were surprised to learn about the frequency of the earth's magnetic field reversals, which has flipped 26 times in the past million years
vPvj7 TIL that the country Singapore was named by a Tamil Indian king in the 11th century, and is an amalgam of the words "Singh" and "pura" meaning "Lion City"
Pg1G TIL that between 2007 and 2012 no new malls were built in the United States
gMYay TIL France provided 'material support' to Argentina during the Falklands War. Despite France claiming they were not helping Argentina, evidence surfaced that indicated French technical teams remained in Argentina helping them to fix and use missiles that were deployed against British forces.
69Q TIL Using physics, we could use a small domino to create a chain reaction to knock over whatever, including buildings.