Callan Bentley is an assistant professor of geology at Northern Virginia Community College in Annandale, Virginia. He is particularly interested in structural geology and the evolution of the Appalachian mountain belt. Callan draws cartoons and writes for EARTH magazine. He lives in the Fort Valley of Virginia.
12 hours ago RT @laurahelmuth: So disappointed in Portland. Sad to see #chemophobia, misguided libertarianism, and doubt of science win so handily. http…
20 hours ago RT @StephenAtHome: Folks in Portland, OR are protesting adding fluoride to the water. They're more into locally sourced, artisanally reduce…