The Encyclopedia Americana, Volume 8Grolier, 1985 - Encyclopedias and dictionaries |
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Page 286
... nature of the crystalline order that is , the crystal structure - is different in each , being characteristic of the substance forming the crystal . Crystallography has been of major importance as a tool in the development of other ...
... nature of the crystalline order that is , the crystal structure - is different in each , being characteristic of the substance forming the crystal . Crystallography has been of major importance as a tool in the development of other ...
Page 510
... nature , or rather forming gaps by thrusting out weaker ones . " In these words , he formulated his theory of evolution by natural selection . In 1842 , Darwin wrote a brief sketch of his theory . Two years later , he expanded it into ...
... nature , or rather forming gaps by thrusting out weaker ones . " In these words , he formulated his theory of evolution by natural selection . In 1842 , Darwin wrote a brief sketch of his theory . Two years later , he expanded it into ...
Page 512
... Natural selection is a process that works in nature , but it is unjustifiable to apply it to sociology . Darwin believed that ethics and morality had evolved by natural selection out of a rudimentary expression of sympathy found in ...
... Natural selection is a process that works in nature , but it is unjustifiable to apply it to sociology . Darwin believed that ethics and morality had evolved by natural selection out of a rudimentary expression of sympathy found in ...
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