Companies are drilling exploratory wells to look for geologic hydrogen thousands of feet below Iowa's surface. This photo shows a well near Vincent, just northeast of Fort Dodge, in September 2024. Photo provided by Ryan Clark, Iowa Geological Survey. AMES, Iowa – The geologists spoke in apocalyptic terms about Iowa’s distant past: “A rift developed deep in the Earth, magma came up and tried to split the continent apart,” said Elizabeth Swanner, a professor of Earth, atmosphere and climate at...