• reply Melissa Trible ,

    Smurfs could have blue blood. Octopi do. It’s copper-based, not iron-based.

    • reply Catskinner ,

      Alternately, their blood could use silver instead of iron; this would produce a deep blue color, instead of the copper green seen in horseshoe crabs.

      Leave a Reply

      • Archives


      • I write & illustrate books, garden, take photos, and blather about myriad things. I have very strong feelings about potatoes.

        Latest Release

        Now Available