The introduction to this chapter was a nice hook. I was immediately attentive to what the author was saying about the human body just KNOWING what to do in order to build itself. He used the metaphor of a house and how the blocks arranging themselves and building the house by themselves would be equivalent to how a human body builds itself.
I found Shubin's analogy of the timeline of humanity and the earth to be informative. I always had trouble with imagining all the different ages of earth and where all the significant points such as "animals with heads" and so on were pinpointed on the timeline, but I understand better now. I also found how the bone cells attach to one another. There are even some bone cells that only bind to the same kind of rivet. It's amazing how even the bone cells in our bodies know exactly what to do in order to build us.
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