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TIL In 1955, Jonas Salk chose not to patent his polio vaccine for the betterment of humanity. As a result, he missed out on earning an estimated $7 billion.

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W4NA TIL Even without fossil fuels, we will exceed our 565 gigatonnes CO2e limit by 2030, all from raising animals.
v9l7 TIL that the Ludlow Massacre was an attack by the Colorado National Guard on a tent camp of 1,200 striking coal miners and their families back in 1914. The attack ended up claiming over 2 dozen lives, including wives and children of the strikers.
jo8Q TIL that not only is assisted suicide legal in Switzerland, the law does not require a physician to be involved and the recipient doesn’t have to be a Swiss national
Z8Y8o TIL that the Japanese earthquake in 2011 increased the Earth's rotation speed, shortening the day by 1.8 microseconds.
XEea6 TIL Sting, the wrestler, owns the rights to the name "Sting". Sting, the musician, reportedly pays the wrestler $1 per year to use the name.