The Ants Beneath Our Feet Guest: Jack Longino, Professor, Biology, University of Utah, and Head, Longino Lab Jack Longino has an impressive track record, from discovering dozens of new species of ants to mapping thousands of genomes to improving scientific outreach using ants. How likely was it that he'd discover a new type of ant right in his own back yard? In the Tops of the Trees Guest: Nalini Nadkarni, Professor, Biology, University of Utah, and Director, STEM Ambassador Program The passion that brings Nalini Nadkarni climbing to the top of trees in Costa Rican cloud forests is exactly what she is trying to instill in everyone she meets, from prisoners to young girls to the community at large. She now has her own tree-top Barbie. How the World Kept Cool When “The Ice King” Ruled Guest: Jonathan Rees, Professor, History, Colorado State University-Pueblo, and author, "Refrigeration Nation," "Before the Refrigerator" and "Refrigerator" Before the refrigerator, or air conditioning or electric fans, ice was a hot – or rather, cold – commodity. We’re talking about the surprisingly complex workings of the ice industry, and the “Ice King” who started it all. Battle Against the Ice Guest: Buddy Levy, Author of Labyrinth of Ice: The Triumphant and Tragic Greely Polar Expedition. The Greely Polar Expedition was vitally important in terms of both scientific research and cartographical advancements.  The real drama of its story, however, is the extreme danger the explorers faced, and their struggle to survive.