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19 January 2023
Miseducation: How climate change is taught in America, by Katie Worth
A quick read through a disheartening topic: journalist Katie Worth reports on the state of climate change education in the United States. There’s good news and there’s bad news in this slim volume. First, it’ll be no surprise to hear that many talented, dedicated educators are working hard to incorporate scientific thinking about climate into their teaching. They are inspiring! Worth briefly profiles a handful of these exemplary teachers, and …
15 August 2022
Book report
Five books get the Callan mini-review treatment: two novels from Amor Towles, an account of life in prison under solitary confinement, a history of Virginia slavery during the War of 1812, and finally a family account of the discovery of the fossil Hesperornis, a toothed bird, and various associated tangents.
14 June 2021
What the Eyes Don’t See, by Mona Hanna-Attisha
I just finished an excellent insider account of the Flint water crisis, written by the pediatrician who brought it to the attention of the wider world. Mona Hanna-Attisha practices medicine in Flint, has a background in environmental activism, and happened to be good friends with a specialist in the management of municipal water systems. An evening’s conversation between Dr. Mona (her preferred name) and her friend ends up launching her …
20 February 2021
Ms. Adventure by Jess Phoenix
Jess Phoenix first came onto my radar when she ran for Congress in 2018. Since that time, and thanks to Twitter’s ability to connect geologists, Jess and I co-hosted a 2019 Pardee Symposium on geoscience communication at the GSA annual meeting in Phoenix, Arizona. Jess stepped in at the last minute to cover for Iain Stewart, who was unable to be there due to a family emergency. Like Iain, Jess …
20 January 2021
Peering through
When hiking recently in my neighborhood, I saw this gleaming apparition appear in an eroded gully in a dirt road: Those multicolored stripes are varying compositions in a zone of ultramylonite: ductilely-sheared-out rock that formed in the deep equivalent of a “fault” in the Blue Ridge basement complex. We call it a “shear zone” most of the time, but a better descriptor would be “high strain zone.” These rocks are …
25 March 2020
The Story of More, by Hope Jahren
Humanity faces a crisis today, and we struggle to find the right way to deal with it, to solve it, to live meaningfully within the constraints it imposes. You might think I’m referring to coronavirus, but it’s actually climate change that’s on my mind. Hope Jahren, author of the incandescent Lab Girl, has a new volume out, on the unsustainability of modern Western life, and what actions we can take …
10 February 2020
The Pentagon’s Brain, by Annie Jacobsen
This book is a comprehensive account of everything unclassified that DARPA and its predecessor ARPA, has ever done. The subtitle is: “An Uncensored History of DARPA, America’s Top-Secret Military Research Agency.” It begins with testing nuclear bombs at Bikini Atoll in 1954, where theoretical calculations about the Castle Bravo bomb’s explosive yield get a sobering reality check: it was more than twice as powerful as had been anticipated! Oops. The …
6 November 2018
GSA report: the James Shea Award
I’m at the GSA Annual Meeting in Indianapolis this week, and I got an award today: the James Shea Award from the National Association of Geoscience Teachers. I was introduced at the awards luncheon today by my co-nominator Kaatje Kraft, who had many nice things to say. I followed her comments with this little speech: Thank you, Kaatje, and also to Joshua Villalobos for nominating me. I’m getting this award …
26 February 2018
How Democracies Die, by Steven Levitsky and Daniel Ziblatt
The authors of this essential study are both scholars at Harvard University. They specialize in studying the decay of democratic governments and societies, one in century-ago Europe, and the other in half-century-ago years ago Latin America. They spell out the structure of authoritarian takeover across these different contexts, and then turn to our situation in 21st century America. This book could not be more timely, more relevant, or more essential. …
21 February 2018
Born a Crime, by Trevor Noah
Trevor Noah is a South African stand-up comedian who rocketed into American awareness when he was selected as the successor to Jon Stewart as the host of Comedy Central’s news program The Daily Show. This book is Noah’s autobiography of growing up in South Africa, at first under apartheid, and then in the new post-apartheid era. It is the best account I’ve read of the institutional and cultural structure of …
Callan Bentley is Associate Professor of Geology at Piedmont Virginia Community College in Charlottesville, Virginia. He is a Fellow of the Geological Society of America. For his work on this blog, the National Association of Geoscience Teachers recognized him with the James Shea Award. He has also won the Outstanding Faculty Award from the State Council on Higher Education in Virginia, and the Biggs Award for Excellence in Geoscience Teaching from the Geoscience Education Division of the Geological Society of America. In previous years, Callan served as a contributing editor at EARTH magazine, President of the Geological Society of Washington and President the Geo2YC division of NAGT.