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11 April 2017
The Sixth Extinction: A Sigma Force Novel, by James Rollins
I did a double-take in the library last week. I was scanning the shelves of audio books, looking for something interesting, when I saw one called The Sixth Extinction. Ahh, such a good book – Elizabeth Kolbert did such a great job with – WAIT – This one has “James Rollins” listed as the author. It wasn’t Kolbert’s book. It was a different The Sixth Extinction. The full title is The …
6 April 2017
Stac Fada
The evidence for a meteorite impact origin for the Stoer Group’s Stac Fada member seems to stack up. Engage in a virtual field investigation on Mountain Beltway.
4 April 2017
Trace, by Lauret Savoy
I just discovered a 2015 book that explores the relation between the American landscape to the history of its people, indigenous, enslaved, and enslaver. The author, Lauret Savoy, is a professor at Mount Holyoke College, where she teaches in the department of environmental studies. In the book, Savoy explores the combined history of place and race in several settings across the United States. She begins at the Grand Canyon, but …
3 April 2017
Virtual owl pellet
Owls are nocturnal birds of prey that eat rodents and grasshoppers, digest the good stuff, and cough up the rest in compressed “pellets” of fur, bone, and chitinous exoskeleton. I found an owl pellet in my yard a few weeks ago, and imaged it using my GIGAmacro Magnify2. I rotated it around to get multiple views, as seen here. I’ve got both Flash and non-Flash versions of the GigaPan embed …
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.