Willem Marx, author of a new article in Scientific American titled “Suddenly Miners Are Tearing Up the Seafloor for Critical Metals,” talks about the ramifications of seafloor mining. Then, McKenzie Skiles, director of the Snow HydRO Lab at the University of Utah, talks about the effects of dust on mountain snowpack melting rates and how the increased runoff is reshaping the future of water in the Southwest.

Writer and broadcaster Ed Conway discusses his book "Material World: The Six Raw Materials That Shape Modern Civilization," which explores the critical role of six raw materials — salt, iron, copper, oil, lithium and silicon— in shaping modern civilization. Then, science journalist Humberto Basilio talks about the relative stability or instability of the system of ocean currents called the Atlantic Meridional Overturning Circulation, AMOC, which is a system of ocean currents that circulates water within the Atlantic Ocean.

Jamie Farrell, chief seismologist at the Yellowstone Volcano Observatory, shares a recent study of the Yellowstone caldera which provides crucial information about the potential threats of this massive volcanic system. Spoiler: It’s good news for all of us! Then, Keegan Melstrom, assistant professor at the University of Central Oklahoma, talks about recent studies into understanding how crocodiles and alligators have survived for over 250 million years, and how it could help other species survive the current mass extinction event.

Carrie Bearden, a professor of psychiatry, biobehavioral sciences, and psychology at UCLA, explores the mounting evidence that regular cannabis use predicts an increased risk of schizophrenia and psychotic symptoms among teens. Then, surgeon Gabriel Weston takes a scientific look at the wonder, mystery and misconceptions of our anatomy, from guts to genitals, from brain to reproductive organs.

Author and entrepreneur Steve Lucas highlights actual, doable uses of AI and the potential benefits for small business in his new book "Digital Impact: The Human Element of AI-Driven Transformation." Then, one-time local, Peter Rizzo, talks about his time as the station doctor for the 77th Australian National Antarctic Research Expedition and what it’s like to live and work in Antarctica.

Michele Rehbein discusses the City Nature Challenge, which will take place April 25-28, 2025. This four-day annual event encourages people to find and photograph plants and wildlife in their own cities and towns using iNaturalist. Then, Izzy Vogel and Naomi O’Connor, two members of Team Minerva, a robotics team from Park City High School, tell us about their competition at the Premier event in Springfield, Massachusetts.

Neuroscientist and doctor Kieran Fox explores Albert Einstein's little-discussed spirituality and it how it both informed and complemented his science in Fox's new book "I Am Part of Infinity." It draws on little-known conversations, recently published letters and new archival research on what Einstein really believed and why his perspective still matters today. (0:45)Then, author Timothy Morton draws on philosophers Kant and Heidegger to reframe what it means to be ecological, and what sorts of actions count as we head into an age of mass extinction in his book, "Being Ecological." (26:14)

Co-founders of HIRO diapers, Miki Agrawal and Tero Isokauppila, talk about the world’s first digestible diapers — that is, digested by fungi and designed to break down in landfills. Then, theoretical physicist and science writer Kathryn Zurek from the California Institute of Technology talks about the mysteries of dark matter.

Thure Cerling, a University of Utah professor of both geology and biology, and a pioneer in the use of isotope analysis, shares how geologists have developed a method for tracking the movements of large herbivores across landscapes, even for animals now extinct, such as mastodons and mammoths. Then, Ben Stanger discusses the history, science and wonder of the cell in his book "From One Cell: A Journey into Life’s Origins and the Future of Medicine."

Science writer Diana Kwon writes in Scientific American on how new effective treatments are shaping new research and understanding of schizophrenia. Then, Erin Shupe, the program coordinator at the Natural History Museum of Utah, talks about the Teen Explainers program that brings in high school students to hone their communication and education skills.