The theoretical side of physical chemistry is and will probably remain the dominant one; it is by this peculiarity that it has exerted such a great i….

At first sight nothing seems more obvious than that everything has a beginning and an end, and that everything can be subdivided into smaller parts. ….

In a great number of the cosmogonic myths the world is said to have developed from a great water, which was the prime matter. In many cases, as for i….

Humanity stands ... before a great problem of finding new raw materials and new sources of energy that shall never become exhausted. In the meantime ….

Is the mean temperature of the ground in any way influenced by the presence of heat-absorbing gases in the atmosphere?.