We will be able to depart this life with the quiet peace-giving notion, that we were permitted to contribute to the happiness of many who will live after us. In our long lives we endeavored...

[In geology,] As in history, the material in hand remains silent if no questions are asked. The nature of these questions depends on the ‘school’ to which the geologist belongs and on the objectivity of...

soup.” In this primeval soup, by infinite variations of lifeless growth and decay of substances during some billions of years, the way of life was ultimately reached, with its metabolism characterized by selective assimilation and...