With this work i am exploring the relationship between hemoglobin and chlorophyll.
Their molecules are the same except for the presence of iron or magnesium in their centres.
My years of collecting buttons has paid off because I found enough buttons of the right colour and shape to do the job.
The 1st buttons are sewn on.
I decide the buttons are successfully conveying the idea of the different colours produced by the different elements in the centre of each molecule…..