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11 March 2016
Friday fold: disharmony in the Old Lyme Gneiss
Happy Friday – it’s the end of a very busy week for me, and I hope you too are looking forward to a fun and rejuvenating weekend. Here’s your Friday fold – like last week, a guest submission from Joe Kopera: Wowzers; that’s a looker! What are we looking at here? Joe writes: This photo shows geologic mapper and structural geologist Greg Walsh (USGS) explaining disharmonic folding to assembled geologists …
4 March 2016
Friday fold: Mount Monadnock, New Hampshire
It’s Friday, so in search of an appropriate fold, Joe Kopera leads us to the top of New Hampshire’s Mt. Monadnock. Bonus: boudinage!
2 March 2016
The Invention of Nature: Alexander von Humboldt’s New World, by Andrea Wulf
This is the second Andrea Wulf book I’ve read in the past month. It’s a biography of a great naturalist and popularizer of science and travel writing, who at the same time is largely forgotten in the modern English speaking world. Alexander von Humboldt’s intellectual impact is vast, Wulf argues, leading to everything from Darwin’s wanderlust (and thus, to the observations that led to the idea of descent with modification …
1 March 2016
How to Clone a Mammoth, by Beth Shapiro
I just finished an interesting book with a provocative title. How to Clone a Mammoth, by Beth Shapiro, is a readable, sober assessment of de-extinction, the idea of bringing back extinct species through a variety of techniques. She defines very clearly at the outset that the purpose of de-extinction is ecological – to restore critical / desired organism/organism or organism/abiotic environment interactions in ecosystems. It is, in other words, a …
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.