8 



THE BIOLOGY OF TO-MORROW 



greater social and civic success. Biology helps to free people of 

 ignorant and useless racial customs. It is in school that proper 

 standards of cleanliness, ventilation, feeding, and routine are fre- 

 quently acquired. If hygienic habits of living are developed, and 

 people persist in practicing them, better social customs will soon be 

 established. For example, if students are taught the importance 

 of buying bread, wrapped to prevent contamination, and if they 

 insist on buying only wrapped bread, the storekeepers will soon 

 supply it. Weighing evidence in studying scientific data, develops 

 a control which makes the student approach family problems with 

 greater wisdom. Every individual owes certain responsibilities 

 to his community. Problems of sewerage, garbage disposal, street 

 cleaning, water and milk supply, control of disease are all discussed 

 in biology classes, and a better understanding of these will give 

 each person a clearer conception of his obligation to himself and 

 to the public. 



The relation of biology to vocations. There are many voca- 

 tional opportunities in scientific fields. Biology suggests and 

 possibly lays the basis for many of these. The relation of biology 

 to the study of dentistry and medicine is obvious. The achieve- 

 ments of Pasteur, Koch, and Noguchi are fine ideals to arouse 

 enthusiasm and interest in research work. Bacteriology, chemical 

 analysis, and oral hygiene are laboratory fields that are intensely 

 interesting. Nursing is a vocation with a gripping human interest. 



Science has improved the appearance, weight, and color of cattle. 



