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What are some commonly known facts that are too bizarre for you to believe to be true? (lemm.ee)

submitted 1 year ago by [email protected] to c/[email protected]

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For me it is the fact that our blood contains iron. I earlier used to believe the word stood for some 'organic element' since I couldn't accept we had metal flowing through our supposed carbon-based bodies, till I realized that is where the taste and smell of blood comes from.

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[–] [email protected] 9 points 1 year ago* (last edited 1 year ago) (9 children)

Similar metal in the human body one, Vitamin B12 has cobalt in it. Absolutely wild. I guess that's not really commonly known but it's still worth mentioning

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