This etext was produced from Analog Science Fact & Fiction May 1962. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed. Intelligence is a great help in the evolution-by-survival--but intelligence without muscle is even less useful than muscle without brains. But it's so easy to forget that muscle--plain physical force--is important, too!…
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어