One of the laws of paleontology is that an animal which must protect itself with thick armour is degenerate. It is usually a sign that the species is on the road to extinction.
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About John Steinbeck
John Steinbeck was a 20th-century American writer. John Ernst Steinbeck was an American writer. He won the 1962 Nobel Prize in Literature "for his realistic and imaginative writings, combining as they do sympathetic humor and keen social perception". Read more on Wikipedia →