This is another of those texts I read and go "They knew THIS in 1928?" > Such are a very few of the considerations which show that for every type of animal the

This is another of those texts I read and go "They knew THIS in 1928?" > Such are a very few of the considerations which show that for every type of animal there is an optimum size. Yet although Galileo demonstrated the contrary more than three hundred years ago, people still believe that if a flea were as large as a man it could jump a thousand feet into the air.