What are some commonly known facts that are too bizarre for you to believe to be true?

zirzedolta@lemm.ee to Asklemmy@lemmy.ml – 379 points –

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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Wouldn't spinning in the opposite direction indicate that it's axial tilt is flipped or something?

The leading theory is a moon sized object hit it with enough force to spin it backwards.

The energy used to reverse the existing motion might explain why it's so slow