The Popular Science Monthly, August, 1900 Vol. 57, May, 1900 to October, 1900

Rhythms and Geologic Time 339 The Photography of Sound Waves 354 The Psychology of Red 365 Chapters on the Stars 376 Colonies and the Mother Country (III) 390 Causes of Degenera...

The rocks which were formed as sediments show many traces of rhythm. Some are composed of layers, thin as paper, which alternate in color, so that when broken across they exhibi...

While it is true that laboratory appliances are generally required to render them visible, I should like at the outset to cite an example to show that in the case of very loud s...

In all parts of the world red is symbolical of joyous emotion. Often, either alone or in association with yellow, occasionally with green, it is the fortunate or sacred color. I...

It is not quite easy to coördinate the various phenomena of color predilection. Careful and extended observations are still required. It seems to me, however, that the facts, as...

There is, however, a difference in the unit of angular measurement commonly used for right ascensions in the heavens and longitude on the earth. In astronomical practice, right...

The relations between a great state and its subject peoples will vary according to the status of these, as the relations between father and son differ according as the latter is...

The idea of ontogenetic degeneration is intimately bound up with the idea of phylogenetic degeneration. Logically we ought to consider first the causes of individual degeneratio...

Fig. 8 illustrates an invention that is interesting from the fact that it was to be operated by compressed air, and perhaps was the first effort to utilize this form of stored e...

As Nansen elsewhere remarks, the memoirs of Pompeckj and Nathorst supplement the papers of Koettlitz, Newton and Teall, which appeared in the Quarterly Journal of the Geological...

Perhaps the most remarkable forms are those mentioned by Doctor Sars, when he says: “The very close and apparently genetic relationship between the two polar species of the amph...

We are able to publish in the present issue of the MONTHLY the address given by Mr. G. K. Gilbert as retiring president of the American Association for the Advancement of Scienc...

The opening of a summer school at Columbia University and the attendance at Harvard University of a large proportion of all the school teachers of Cuba are important steps towar...