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GeoCurrents

GeoCurrents
Mapping Continents Based on Continental Crust As the previous GeoCurrents post argued, the division of the terrestrial world into a handful of...
2 days ago
4
2 days ago
As the previous GeoCurrents post argued, the division of the terrestrial world into a handful of continents derives in part from the division of the Earth’s crust into tectonic plates. But there is another geological factor equally pertinent to the concept of “continent.” It...
GeoCurrents
Map Art or Scientific Cartography? Many maps, in my view, are also work of art, regardless of their creators’ intentions. Some maps,...
5 days ago
3
5 days ago
Many maps, in my view, are also work of art, regardless of their creators’ intentions. Some maps, however, are explicitly made as art, and as such are not designed to convey spatial information beyond that found in the mere geographical shapes that they contain. Increasingly, it...
GeoCurrents
Are Continents Rooted in Plate Tectonics? Tectonic plates are the basic building blocks of the Earth’s lithosphere, its outermost rocky layer....
6 days ago
2
6 days ago
Tectonic plates are the basic building blocks of the Earth’s lithosphere, its outermost rocky layer. As these large segments of crust slowly move, landmasses and sea expanses are gradually rearranged. The current configuration of tectonic plates shows a tight connection with the...
GeoCurrents
Revisiting The Myth of Continents As it has been 28 years since the publication of The Myth of Continents, a book that I jointly wrote...
a week ago
2
a week ago
As it has been 28 years since the publication of The Myth of Continents, a book that I jointly wrote with my wife, Karen Wigen, it is time for a reconsideration of the work. The main thesis of the book is that although most continents are rooted in physical geography, the larger...
GeoCurrents
Lecture Series on Global Demography Concluded The final two video lectures on global demography have been posted on the GeoCurrents YouTube...
2 weeks ago
2
2 weeks ago
The final two video lectures on global demography have been posted on the GeoCurrents YouTube channel. They can be found here and here. I would like to end this exploration of global demography by posting two paired maps, which show the global Total Fertility Rates (TFR) in 1950...
GeoCurrents
Two New Demography Lectures Uploaded on YouTube Two new lectures in the series on global demography have been uploaded on the GeoCurrents YouTube...
a month ago
2
a month ago
Two new lectures in the series on global demography have been uploaded on the GeoCurrents YouTube channel.  The first, number 5 in the series, looks at the ancient world, and the second (#6) looks at late antiquity and the early medieval period (roughly 400-750 CE). The second of...
GeoCurrents
Two Additional Global Demography Lectures Uploaded Two additional lectures on global demography have been uploaded on the GeoCurrents YouTube channel....
a month ago
2
a month ago
Two additional lectures on global demography have been uploaded on the GeoCurrents YouTube channel. The first covers the period from 700 to 1500, focusing on the Black Death of the mid-fourteenth century and its repercussions.  The second lecture covers the period from 1500 to...
GeoCurrents
Does Creativity Decline with Age? The Case of Bob Dylan (Part 2) The previous GeoCurrents post examined critical rankings of the best Bob Dylan songs, which I...
a month ago
2
a month ago
The previous GeoCurrents post examined critical rankings of the best Bob Dylan songs, which I graphed in terms of Dylan’s age when he wrote the songs in question. In this last of three posts on Dylan, the same technique is used for other rankings of his songs. The first graph...
GeoCurrents
Does Creativity Decline with Age? The Case of Bob Dylan In a recent lecture on declining birthrates, I mentioned pronatalist worries about a corresponding...
a month ago
2
a month ago
In a recent lecture on declining birthrates, I mentioned pronatalist worries about a corresponding decline in our ability to solve problems and address crises, due mainly to the aging of the population. Creative thinking, according to this argument, is primarily an attribute of...
GeoCurrents
Demography Lecture # 4: Historical Population Patterns and Processes with the Spread of Agriculture... The fourth GeoCurrents lecture on global demography has been uploaded on YouTube and can be found...
a month ago
1
a month ago
The fourth GeoCurrents lecture on global demography has been uploaded on YouTube and can be found here. It examines population issues that arose after the development of agriculture, as well as those following the initiation of horse-based nomadic pastoralism. It first looks at...