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1 " All human behaviour, language, thoughts, feelings, actions, and consciousness emerge from this massively interconnected network of neurons. Each neuron is pretty dumb; it either fires in a certain situation or it doesn’t, but out of this mass dumbness comes great cleverness. "
2 " Our brains contain one hundred billion nerve cells (neurons). Each neuron makes links with ten thousand other neurons to form an incredible three dimensional grid. This grid therefore contains a thousand trillion connections - that's 1,000,000,000,000,000 (a quadrillion). It's hard to imagine this, so let's visualise each connection as a disc that's 1mm thick. Stack up the quadrillion discs on top of each other and they will reach the sun (which is ninety-three million miles from the earth) and back, three times over. "
― Nessa Carey , The Epigenetics Revolution
