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TIL you can reduce the levels of forever chemicals (PFAS) in your blood through blood/plasma donations

Read more ncbi.nlm.nih.gov

via reddit.com

1aEkO TIL Juha Mieto of Finland lost the 15km cross county skiing event at the 1980 Olympics by 1/100 of a second. After this event the International Ski Federation changed its rules to round times to the nearest tenth of a second.
lojOa TIL Robert Rodriguez's 2010 exploitation film Machete is a spin off of his kids' film series Spy Kids. Isador Cortez (AKA Machete, played by Danny Trejo) appears in both films
dDl18 TIL that the person who destroyed most Axis planes during WW2 was not a fighter ace but a SAS commando
M7LQW TIL In 1609 the Kingdom Of Spain expelled hundreds of thousands of Moriscos, people of muslim ancestry who had converted to christianity, partialy because of a racial doctrine called "purity of blood". In some regions over 30% of the total population were expelled, devastating the local economy
K0y9 TIL that in 1769, a single lightning stroke struck the city of Brescia, Italy hitting a gunpowder storage. The resulting explosion killed 3,000 people and destroyed a sixth of the city.