It was a bit startling how Shubin began this chapter by describing him in a lab, sawing off bones, and holding a dead body's head at two in the morning. After such a moment, the chapter began to lose its charm on me as I read on. Like his previous chapters however, he talks about how a specific structure is almost universal in a variety of species. It was amusing and difficult to grasp how worms, sharks, and humans are related physically somehow. Especially a worm because its brain isn't even developed anywhere near the way ours are. Apparently heads have bones,rods, and plates which are like Legos, to "build" our head for our brain. With teeth, hands, feet, and now head done, I wonder what other features Shubin can link back to us or to other animals.
-Jennifer LY
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