Even more astounding, he said, was that "everything that's in you But in a pile of dirt, obviously, it just lies there. It doesn't do anything. That, said Bryson, hits on what will probably always remain the biggest mystery in biology: "How does life happen? In the meantime, scientists can deliberate over the cost of the elements of a human body — which, it turns out, is also up for debate.
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It was such a spectacularly humbling revelation that it has stayed with me all these years. Recently, for a new book I am working on, I decided to try to answer that question, and I began, as we all do nowadays, with a hunt through the cyber universe.
Now you are a scientist, so you would go about such a search methodically. I am afraid I am not sensible like you. I am a lurcher. My system or lack of a system works for me because I always find lots of interesting but unrelated things on the way to finding out what I need to know.
All of this reminded me of two things that I knew already — that nearly everything you look into leads you back to chemistry in the end, and that nearly all of it is really interesting.
With respect to my actual quest, I did make some good progress. Altogether, some 7x10 27 atoms — that is to say, 7 billion billion billion — are collectively engaged in the complex but generally thankless business of being you.
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