Download or read book Intelligence, Power and Personality written by George Washington Crile and published by . This book was released on 1941 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: When a comparison was made of the effect of a shot through the brain of a zebra, a lion, or an elephant with the effect of a shot through the brain of a turtle, a crocodile, or a python, a great difference was noted. In the warm- blooded group death was instantaneous. In the cold-blooded group there was more or less muscular activity for varying periods of time, up to several hours. Why one animal behaves like a high-powered motor, set in high gear, exhausting itself by a high expenditure of energy, and another behaves like a low-powered motor, set in low gear, and therefore capable of carrying on indefinitely at a moderate expenditure of energy, has long been an enigma. This became our problem ..."--Amaon.co.uk product desc. (new ed.).