In the competitive human world, a common platitude says that a man needs “backbone” to succeed. In the competitive animal world it is different. Scientists have other criteria than fame, money and ...
Originally published 1938, 2nd edition published 1948. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!1081471 ...
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