Though I had done this millions of times, it still awed me to see a brain. To know that if I could only understand this little organ inside this one tiny mouse, that understanding still wouldn’t speak to the full intricacy of the comparable organ inside my own head. And yet I had to try to understand, to extrapolate from that limited understanding in order to apply it to those of us who made up the species Homo sapiens, the most complex animal, the only animal who believed he had transcended his Kingdom, as one of my high school biology teachers used to say. That belief, that transcendence,
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