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Core Principles: The Life and Work of Seismologist Inge Lehmann.
At 10:17 in the morning on June 17, 1929, a 7.8 magnitude earthquake shook New Zealand’s Murchison region, causing landslides that claimed seventeen lives, and sending seismic P-waves throughout the Earth’s interior, to be picked up by seismology stations scattered across the globe, including to a handful of outposts that, according to everything everybody knew about the inner structure of the Earth, should not have been able to detect the quake. For some, these results were
Dale DeBakcsy
Nov 6


The Last Woman Who Knew Everything: The Omnivorous Mind of Clémence Royer.
When Clémence Royer died on February 7, 1902, she took with her into oblivion perhaps the last human brain that believed in and aimed for...
Dale DeBakcsy
Apr 21, 2024


Death and Time: The Pioneering Biostratigraphy of Julia Anna Gardner.
On a lonely stretch of Florida swamp road, in the year 1920, a model T Ford with no headlights and two hastily replaced tires is trying...
Dale DeBakcsy
Jan 26, 2024


Chronicler of the Path Untread: The 19th Century Journeys of Isabella Bird.
As Isabella Bird, in her seventieth year and in the middle of her last great adventure, sat across from the Sultan at Marrakesh, telling...
Dale DeBakcsy
Oct 15, 2023


Making Continents Move: The Ocean Cartography of Marie Tharp
If you're a scientist, and you've lived long enough, there's a good chance that you'll see your life's work overwritten and forgotten in...
Dale DeBakcsy
Jun 13, 2023


Unearthing the World Jurassic: Mary Anning
As the tide rolls out, a woman in a hardened bonnet and loose fitting clothes scrambles across the crumbling cliffs of Lyme Regis, a...
Dale DeBakcsy
May 22, 2023


Florence Bascom: The Many Facets of Geology’s “Stone Lady”
There is a special poetry in rocks available to a select few and utterly incomprehensible to absolutely everybody else. While...
Dale DeBakcsy
Apr 27, 2023


How Fossils Get That Way: Paleontologist Anna “Kay” Behrensmeyer’s Years Amidst Rock and Bone.
When it comes to bones, immortality is far from a sure thing. We generally think that the road from bone to fossil is a straight-forward...
Dale DeBakcsy
Apr 27, 2023


Global Warming and Nuclear Fallout: The Foundational Geochemistry of Saruhashi Katsuko.
On July 16, 1945, the United States detonated the world’s first atomic bomb in the deserts of Alamogordo, New Mexico. At the time, it...
Dale DeBakcsy
Apr 27, 2023


In Defense of the Soil: One Century with Hydrodynamic Mathematician Pelageya Polubarinova-Kochina
Water is that great, terrible thing. Its chemical properties make it a magnificent solvent and coolant, which is wonderful if you’re...
Dale DeBakcsy
Apr 25, 2023


Preparing for an Unknown Tomorrow: Astronaut Kathryn Sullivan and the Saving of the HST
This day, let us speak of a new type of hero, one whose life story is not told as a sum of new products invented and foisted upon an...
Dale DeBakcsy
Apr 25, 2023
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