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ic and molecular movements required for the thinking of a single man would be beyond the capacity of all the gods of the supernaturalistic interpretations of religion together. Some idea of the number of such motions which are taking place in every human brain, will be derived from the conservative representations of Hofmeister as exhibited in the following condensed form by McCabe in his book, "The Evolution of Mind:" We have reason to believe that there are in each molecule of ordinary protoplasm at least 450 atoms of carbon, 720 atoms of hydrogen, 116 of nitrogen, 6 of sulphur, and 140 of oxygen. Nerve-plasm is still more complex. Recent discoveries have only increased the wonder and potentiality of the cortex. Each atom has proved to be a remarkable constellation of electrons, a colossal reservoir of energy. The atom of hydrogen contains about 1,000 electrons, the atom of carbon 12,000, the atom of nitrogen 14,000, the atom of oxygen 16,000, and the atom of sulphur 32,000. These electrons circulate within the infinitesimal space of the atom at a speed of from 10,000 to 90,000 miles a second. It would take 340,000 barrels of powder to impart to a bullet the speed with which some of these particles dart out of their groups. A gramme of hydrogen--a very tiny portion of the simplest gas--contains energy enough to lift a million tons more than a hundred yards. Of these astounding arsenals of energy, the atoms, we have, on the lowest computation, at least 600 million billion in the cortex of the human brain. Scientists, says Professor Olerich, in his book, "A Modern Look at the Universe," estimate that the chemical atom is so infinitesimally small that it requires a group of not less than a billion to make the group barely visible under the most powerful microscope, and a thousand such groups would have to be put together in order to make it just visible to the naked eye as a mere speck floating in the sunbeam. The microscope reveals innumerable animalcules in the hundredth part of a drop of water. They all eat, digest, move and from all appearances of their frolics, they are endowed with sensation and ability of enjoyment. What then shall we say of the minuteness of the food they eat; of the blood that surges through their veins; of their nervous syst
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