Cornelia Cameron: Our Peat Lady
April 23, 2021
Some time ago, late in the last century, an older lady named Cornelia Cameron took Sandy Rhodes and I on... Read More →
Large Meteor Impacts, Part III: Iowa
April 2, 2021
A century ago, well-drillers in the vicinity of Manson, Iowa, knew that there was something different about the local bedrock... Read More →
Large Meteor Impacts, Part II: The Great Extinction
March 26, 2021
Today, every schoolchild has heard that a big meteor ended the dinosaur era. But this common knowledge sometimes consists of... Read More →
Ventifacts: Signature of Our Ancient Wind
July 19, 2018
Spring was typically breezy this year, and folks who measure available wind energy in the Midwest usually find April to... Read More →
Perceiving Geologic Time
April 12, 2018
I’ve been teaching at the University for fifty years now and have grown accustomed to folks having difficulty with geologic... Read More →
Why Do We Care?
August 31, 2017
Barb and I recently sat out in the driveway, and watched last week’s cloudy eclipse come and go. And to... Read More →
