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Hiram 8 month s ago
My head is full of new knowledge. Thank you.
       
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2.
Audrey 8 month s ago
What does TIL mean?
       
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Dotha 8 month s ago
Audrey, Today I Learned
       
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"TIL of Frederick McKinley Jones - an orphaned black American who, in the 1930s when racial segregation was the norm, invented the first successful automatic refrigeration system for trucks. This lead to the development of supermarkets and better combat-zone medical supply."

 

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