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The Limits of Life
We are only normal human beings by including 50% is now the current estimate of ourselves or actually bacterial. And in fact, we have bacteria on our bodies, the microbiome, without which we cannot live. Every time you touch a doorknob or shake hands or kiss someone on the cheek, bacteria are being left behind and exchanged. So at the cellular level, where is your boundary? Especially where you live. That's the boundary of your body. At the atomic level, this is what I said about the earth. Are we individual bounded, skin-bound creatures on the surface or are we in fact the entire earth that contains us within its boundaries?"