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TIL James Harrison has donated blood every week for the last 60 years. His blood contains a rare antibody that prevents pregnant women from developing Rhesus Disease. With his donations, he has saved over 2 million lives.

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Er9o TIL “Graham’s Number” is so large that according to mathematicians, in theory, storing the ginormous number in one’s head could create a black hole
6MlY TIL that camels actually come from North America and used to live in the Yukon.
8elNP TIL that Supai, AZ is the most remote community in the contiguous US. It is 8 miles from the nearest road and is only accessible by foot, mule, or helicopter. It is the only place in the United States where mail is still carried in and out by mules.
DQDAp Til:The blood vessels in the human body extend for approximately 100,000 kilometers, which is enough to circle the Earth two and a half times. This complex network of vessels is responsible for delivering blood and oxygen throughout the body, supporting various bodily functions.
bGvZ TIL “Where the Wild Things Are” was originally going to be “Where the Wild Horses Are” until Maurice Sendak started working on it and discovered he couldn’t draw horses