Describes progress made in recent decades in predicting the track and landfall of hurricanes. Examines the problems of detecting, tracking, and describing tropical cyclones, and the difficulties which continue to complicate the matter of warning and evacuating coastal residents. (JR)

Discusses a model for explaining the spread of human population explosion on North American continent since its discovery 12,000 years ago. The model may help to map the spread of Homo sapiens throughout the New World by using the extinction chronology of the Pleistocene megafauna. (Author/PS)

Since 98 percent of the students are not geology majors, they should be taught in a different manner. Course objectives for these students and methods of effective presentation of essential geological materials are discussed. (DF)

The purpose of this report is to publicize some worthwhile experiences enjoyed by the author in a small school with a limited budget. (DF)

Darwin's attempt at unraveling the Glen Roy parallel road mystery is discussed. He admitted that Louis Agassiz's glacier theory seemed reasonable but he was reluctant to give up on his own marine theory. (DF)

Comments on the positive values of international congresses and applauds the organization of the International Geological Congress in Montreal. (AL)

Describes the importance of the general circulation in the atmosphere and oceans in creating the earth's climates. (AL)

Describes efforts by government and professional associations to actively encourage the recruitment of minority group students and employees for extended training in the earch sciences. (AL)

Instructions for observing the Solar Eclipse on Saturday, March 7, 1970, which will be total along a strip about 85 miles wide along the Atlantic Seaboard. Safety precautions and how to construct a pinhole camera to observe eclipse. (BR)

Discusses characteristics of sand, its derivation, various colors, shape, grain size, how it is transported, how sand dunes are formed, and economic uses. (BR)

An interview with a scientist associated with the lunar rock analysis program in which discoveries concerning the moon and their contribution to the understanding of the origins of the earth-moon system are discussed. (Author/AL)