Great Essays in ScienceMartin Gardner |
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animals appeared atomic ball beauty become believe birds body called cause century character close continued course culture deep determinism direct earth effect emotion energy evidence example existence experience eyes fact feel field fish force future give hand head human ideas important individual interest kind knowledge learned least less light limits literature living logical look mass matter means method mind moon move nature never observation once organisms origin perhaps philosophy physical planets possible practical present principle probably problem question reach reason relations religion result scientific scientists seems seen sense sexual social species spirit suppose surface theory things thought tion true truth turn understand universe whole