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@LexYeen@snouts.online On top of that, the iron in your blood was the final nuclear ash of the great furnace.

Iron kills stars. Builds up in the core, and after a while no fission or fusion can happen, and the core contracts. The outer layers fall in, hit the rebounding core, and Boom.

And a couple billion years later, you get a papercut and some stellar iron leaks out in your hemoglobin.

@Motodrachen @LexYeen@snouts.online Nickel too! Iron is favored due to... I don't remember why exactly, but nickel-62 is marginally more stable than any isotope of iron

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