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GeoCurrents

GeoCurrents
The Biological Significance of Micro-Continents: The Fascinating Caecilians of Seychelles (and Other... On the surface, there is little to distinguish small islands on continental fragments from oceanic...
4 days ago
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4 days ago
On the surface, there is little to distinguish small islands on continental fragments from oceanic islands that have no continental connections. Careful observation, however, can reveal some interesting differences. The Seychelles microcontinent in the Indian Ocean is an...
GeoCurrents
GeoCurrents Listed as One of the 100 Best GIS Blogs and Websites in 2025 I am pleased to report that GeoCurrents has been selected by FeedSpot as one of the “100 Best GIS...
6 days ago
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6 days ago
I am pleased to report that GeoCurrents has been selected by FeedSpot as one of the “100 Best GIS Blogs” for 2025. It is an honor to receive this recognition and I give my sincere thanks to FeedSpot for the acknowledgement, although I do have to say that GeoCurrents is more a...
GeoCurrents
Mapping Continents Based on Continental Crust As the previous GeoCurrents post argued, the division of the terrestrial world into a handful of...
a week ago
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a week 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
Are Continents Rooted in Plate Tectonics? Tectonic plates are the basic building blocks of the Earth’s lithosphere, its outermost rocky layer....
a week ago
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a week 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
Map Art or Scientific Cartography? Many maps, in my view, are also work of art, regardless of their creators’ intentions. Some maps,...
a week ago
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a week 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
Two Additional Global Demography Lectures Uploaded Two additional lectures on global demography have been uploaded on the GeoCurrents YouTube channel....
a month ago
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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
Lecture Series on Global Demography Concluded The final two video lectures on global demography have been posted on the GeoCurrents YouTube...
3 weeks ago
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3 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
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
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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
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...
2 weeks ago
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2 weeks 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
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
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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...