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I was thinking a lot about how something as small as a nucleic acid can have such a vast impact on who we are. It really hit home to me how unlikely the existence of life itself is, let alone the existence of each of us as individuals. We have these tiny nucleotides in us, that link together and form a specific three dimensional shape and all of this was, apparently, randomness ordered by a set of rules. It's kind of maddening that things at such a small scale can effect the human scale so vastly. I mean, it seems strange that people can get debilitating diseases because their guanine, adenine, cytosine and uracil are all bopping around in their cells linking to their dna to replicate it, and then they happen to bump into the dna in such a way that makes their red blood cells sickle shaped, for instance. It just seems a little hollow to me.