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.

  • @Moghul
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    121 year ago

    I might be misremembering but I believe our sun can’t go nova, it’s too small. It will, however, expand and swallow the Earth towards the end of its life.

      • @Moghul
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        21 year ago

        Don’t worry, your calendar doesn’t go that far