Appalachian State University geologist Dr. Sarah Carmichael discusses the latest explanation put forth regarding the cause of a mass extinction 252 million years ago — a warming climate that depleted the earth's ozone layer.

Dr. Joseph Cazier, director of the Center for Analytics Research and Education, discusses the new World Bee Count app released by Appalachian State University and SAS. He describes it as “citizen science” and the first step toward building a global repository of shareable data.

Amid COVID-19 concerns, health professor Dr. David Nieman is quoted on his research that shows regular moderate-intensity physical activity can improve one's ability to fight viruses — making lifestyle practices consistent with good immune health a "primary" strategy to prevent the risk posed by COVID-19.

Dr. Gwen Robbins Schug, an anthropology professor at Appalachian State University who studies health and inequality in ancient societies, says bioarchaeology and other social sciences repeatedly have demonstrated that health crises “play out along the preexisting fault lines of each society,” including social and economic inequalities.

Appalachian’s Dr. Baker Perry co-authored the recently released North Carolina Climate Science Report. In this interview with public radio, he explains how each part of the state will feel the impacts of climate change. Perry teaches in the Department of Geography and Planning.

In this Armenian news story, Dr. David Nieman, a professor of public health and director of Appalachian State University’s Human Performance Lab, says plain water has a tendency to slip right through the human digestive system when not accompanied by food or nutrients. “There’s no virtue to that kind of consumption,” he says.

David Nieman, Dr.P.H., director of Appalachian State University’s Human Performance Lab, discusses his seminal studies that have shown immunity decreases as exercise duration increases — important information to keep in mind as people seek to remain healthy during the pandemic.