Geology


The Milky Way over the Southern African Large Telescope in the Southern Hemisphere, as seen on July 18, 2017. Photo by Jeff Miller, UW-Madison
Today (yesterday, as you read this) we departed Johannesburg, headed toward Madison by way of Atlanta. As I type this sentence, we are 7,371 miles away, six miles above the Earth, soon to be over ocean. Our South African journey culminated as it began, in the Cradle of Humankind, in pursuit of […]

Gifts and serendipity






Angie Diefenbach shooting photos
When you’re doing field research at the end of the earth, you count on the unexpected. Essential tools like drills fail when a replacement is 100 miles away. People get sick, blunder or descend into bickering. But if you are working in the Andes Mountains, one thing you would not […]

Tales from the volcano: When will it erupt?





Mastodon skull on cart
Many of Wisconsin’s most charismatic fossils are of Ice Age megafauna. The Boaz mastodon is Exhibit A. On display at the UW-Madison Geology Museum since 1915, the elephant like mastodon was recently discovered to be a composite of fossil material collected not only at Boaz, a sleepy town just off […]

A Legacy of Pleistocene Megafauna