One of science's greatest intellects examines how people and animals display fear, anger, and pleasure. This highly readable 1872 study was based on Darwin's personal observations, most of which were proven by later scientific surveys. Abounding in anecdotes and literary quotations, it continues to inspire and inform contemporary research. 21 figures, 7 plates.

Scientist Charles Darwin once asserted that "a scientific man ought to have no wishes, no affections -- a mere heart of stone." Indeed, his objective take on evolution asserted in The Origin of Species shook the foundations of traditional religion to its core.More About the Author

Tags: expression the emotions man and animals