THE FOODS OF THE NEW EARTH 



cular, so to call it ; sometimes the man will do 

 absolutely no muscular work while in the 

 room but merely be passive ; sometimes he will 

 do no muscular work, but will give himself up 

 to the very severest sort of mental labor; all 

 this in order that the value of the foods given 

 may be determined under different conditions 

 of rest and action. 



In this very definite and practical, as well as 

 strictly scientific way, the sum of knowledge 

 of food values has been, and still is being, 

 immensely increased. The work in this line, 

 which has been carried on by Prof. W. O. 

 Atwater, of the Storrs Experiment Station in 

 Connecticut, in cooperation with the Depart- 

 ment of Agriculture in Washington, has been 

 of marked importance. It is one of the vital 

 and significant advances of the New Earth. 



In addition to all the important data as- 

 sembled as to the value of foods, the relative 

 value of foods, and the needs of man's body for 

 foods, Professor Atwater has demonstrated that 

 the law of the conservation of matter and the 

 law of the conservation of energy are abso- 

 lutely maintained in the intricate and delicate 

 functions of the human body, that no particle 



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