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TIL: There was a man named Robert Willner who stuck his finger with HIV infected blood in an attempt to prove that AIDS is not caused by HIV retrovirus.

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E1Jlo TIL when children get “growing pains” it’s not actually a side effect of growth, it’s more likely caused by muscle overuse during the day.
ND6 TIL that from the 1940s Sunbeam produced several models of toasters that could sense the heat passing through the toast, meaning that regardless of the color of the bread (white or wholemeal) and the initial temperature of the bread (even frozen), the bread would always be toasted to the same degree
76Jp TIL that Freddie Mercury’s mother is still alive. Her name is Jer Bulsara, and she is 93.
P5Ww TIL the Kodak company used a 13-month calendar from 1924 to 1989 and George Eastman pushed for its worldwide acceptance.
VMwpB TIL that during the Cold War, the USSR mapped the entire world to precise detail. The U.S State Department still uses the maps today due to their accuracy.