Episodes
200
Oct. 26, 2026
Episode 200: From rogue AI agents to factchecking AI, Ken Ford responds to more listener AI questions
Episode 200: From rogue AI agents to factchecking AI, Ken Ford responds to more listener AI questions In today’s third of a three-part series of Ask Me Anything episodes, Dr. Ken Ford responds to more listener questions and concerns about artificial intelligence. In AMA episode 198, Ken answered a wide-range of questions about chatbots and data centers and the future of AI, which prompted a new round of listener questions about AI that Ken will be answering today. Ken has been working in AI sin...
199
Sept. 15, 2026
Episode 199: Ken and Dawn respond to listener questions on aging, meat consumption and dementia, genetic testing, AI, exercise, a lunar mission and much more
Today we have the second of a two-part AMA. In part one, episode 198, we covered a multitude of listener questions about AI, which lately seems to dominate the news cycle. Other than one AI question that managed to sneak in, today’s AMA features a wide range of questions on a number of topics other than artificial intelligence. Today, Ken and Dawn respond to listener questions that range from: — Whether there’s a critical difference between whey protein powders and ready-to-drink protein shake...
198
Aug. 12, 2026
Episode 198: Blessing or curse? Dawn grills Ken on listeners’ toughest AI questions in this all-AI AMA
Today we have an Ask Me Anything episode that focuses on artificial intelligence. For the past year, AI has dominated the headlines. Perhaps because there’s so much media and public interest, as well as paranoia, about AI, listeners have been flooding our mailbox with AI-related questions. So, today’s AMA is an exclusive focused on artificial intelligence. For our listeners who have been sending questions about ketamine; NASA’s Artemis mission to the Moon; or whether high meat consumption leads...
197
July 15, 2026
Episode 197: Scott Sherr discusses hyperbaric oxygen therapy, methylene blue, and more
Today we have Dr. Scott Sherr, an internal medicine physician who specializes in Hyperbaric Oxygen Therapy. Scott is the director of Integrative Hyperbaric Medicine and Heath Optimization at Hyperbaric Medical Solutions. It is a division of Hyperbaric Medical Solutions, an independent, hyperbaric oxygen therapy provider that aims to educate people about the benefits of hyperbaric oxygen therapy via telemedicine consulting. He also is COO of Troscriptions, which provides physician-formulated pro...
196
June 11, 2026
Episode 196: Dominic D’Agostino discusses advances in ketogenic metabolic therapy and hyperbaric oxygen therapy
Today we have Dr. Dominic D’Agostino, who over the past 10 years has been a frequent guest on STEM-Talk. Today Dom joins us to give us an update on his recent research into ketogenic metabolic therapies, ketone supplements as well as hyperbaric oxygen therapy for traumatic brain injuries. Dom and his lab at the University of South Florida have published more than 20 papers since his last appearance on STEM-Talk in 2023. Dom is an Associate Professor in the Department of Molecular Pharmacology a...
195
May 21, 2026
Episode 195: Doug Cooke discusses NASA’s challenges in the space race to the Moon and Mars
Our guest today is Doug Cooke, an aerospace consultant who spent 38 years at NASA’s Johnson Space Center in Houston and NASA Headquarters in Washington, D.C. STEM-Talk host and IHMC founder Dr. Ken Ford, a former Associate Director of NASA’s Ames Research Center and Director of NASA’s Center of Excellence in Information Technology, interviewed Doug just four days after the astronauts of NASA’s Artemis II mission splashed down in the Pacific Ocean following a historic 10-day roundtrip from the E...
194
April 16, 2026
Episode 194: Tommy Wood discusses how to future-proof the adult brain
Neuroscientist and frequent STEM-Talk guest Dr. Tommy Wood rejoins us today for part two of our interview about Tommy’s book that is fresh off the press and now available in bookstores and Amazon, “The Stimulated Mind: Future-Proof Your Brain from Dementia and Stay Sharp at Any Age.” Tommy is an Associate Professor of Pediatrics and Neuroscience at the University of Washington, where his laboratory focuses on brain health across human lifespan. Tommy is a colleague and good friend who also is a ...
193
March 23, 2026
Episode 193: Tommy Wood and his new book bust the belief that the adult brain is fixed
Today we have Dr. Tommy Wood, a neuroscientist and frequent STEM-Talk guest who joins today on the eve of the publication of his first book, “The Stimulated Mind: Future-Proof Your Brain from Dementia and Stay Sharp at Any Age.” Tommy is an Associate Professor of Pediatrics and Neuroscience at the University of Washington, where his laboratory focuses on brain health across human lifespan. Tommy is a colleague and good friend who also is a Visiting Research Scientist here at IHMC. Today we talk...
192
March 5, 2026
Episode 192: Ken and Dawn weigh in on ChatGPT, ketamine, urolithin-A, rapamycin, and more in wide-ranging AMA
ChatGPT has been in the news a lot lately and, as a result, quite a few STEM-Talk listeners have tossed us questions about the reliability and limitations of generative-artificial intelligence chatbots as well as large-language models more broadly. Ken and Dawn tackle this question and a number of others in today’s Ask Me Anything episode. We have listeners wondering why astronauts train in underwater conditions for spacewalks; icebreakers in antarctica; the value of supplementing with urolithi...
191
Feb. 2, 2026
Episode 191: Francisco Gonzalez-Lima discusses methylene blue & noninvasive human brain stimulation
Today we have Dr. Francisco Gonzalez-Lima, a behavioral neuroscientist who was our guest in episodes 106 and 107 back in 2020. Since those 2020 interviews, Francisco and his colleagues at the Gonzalez-Lima Lab have produced dozens of more studies and papers that have advanced their work on methylene blue, transcranial lasers, memory enhancement, neuroprotection and neurocognitive disorders. Francisco and his lab at the University of Texas Austin are recognized as world leaders for their resear...
190
Jan. 7, 2026
Episode 190: Judith Curry and the Consequences of Climate Alarmism
Dr. Judith Curry, a climatologist known for her criticism of alarmist, doomsday rhetoric about climate change, returns to STEM-Talk for her second appearance. Judy most recently was one of five researchers commissioned by the U.S. Department of Energy to draft a Climate Assessment Report summarizing the current state of climate science with a focus on how it relates to the United States. In this interview, Judy summarizes the climate report’s key points, including the finding that that carbon-d...
189
Dec. 11, 2025
Episode 189: NASA’s Flawed Plan to Return to the Moon – with Mike Griffin & Lisa Porter
Today’s episode of STEM-Talk features a timely and wide-ranging discussion with Drs. Michael Griffin and Lisa Porter about NASA’s plans to return humans to the Moon, the history of lunar missions, and how China’s advances in space technology pose a serious threat to U.S. national security. IHMC founder and CEO Emeritus Ken Ford’s interview with Griffin and Porter came 10 days before Griffin appeared before the U.S. House Committee on Science, Space and Technology to give testimony on China’s ad...
188
Nov. 4, 2025
Episode 188: Marina Walther-Antonio discusses the microbiome’s role in women’s health and cancer
Today we have Dr. Marina Walther-Antonio, a Mayo Clinic researcher who investigates the role of the microbiome in cancer and reproductive health, particularly endometrial and ovarian cancers. According to the World Cancer Research Fund International, endometrial and ovarian cancers are among the top 10 most prevalent cancers in women worldwide, and there are still no standard screenings for early detection. Marina is an assistant professor in the Department of Surgery and the Mayo Clinic Center...
187
Oct. 2, 2025
Episode 187: Dawn Kernagis talks about creating permanent subsea human habitats
Today Ken interviews his co-host Dr. Dawn Kernagis about her new position as the Director of Scientific Research for DEEP, a UK startup that is pioneering a new era of ocean exploration. For listeners unfamiliar with Dawn’s background, she is a NASA-trained NEEMO Aquanaut, a Fellow of the Explorer’s Club Fellow and has been inducted into the Women Divers Hall of Fame. In addition to co-hosting STEM-Talk for the past nine years, Dawn is also a Visiting Research Scientist at IHMC. Dawn’s researc...
186
Sept. 4, 2025
Episode 186: Mari Dezawa discusses her discovery of MUSE cells and the role of stem cells in regenerative medicine
Today we have Dr. Mari Dezawa, one of the world’s leaders in stem-cell research and regenerative medicine. Mari is a pioneer in this emerging field and is known worldwide for her discovery of MUSE cells, a unique type of stem cell with exciting clinical potential. MUSE is short for Multilineage-Differentiating Stress-Enduring Cells. The discovery of the MUSE cell in humans has many biological and medical implications, and the human body may have a greater regenerative potential than we might ha...
185
July 31, 2025
Episode 185: Andrew Koutnik discusses metabolic health, athletic performance and growing up with type-1 diabetes
Today we have our good friend and colleague Dr. Andrew Koutnik on the show. Andrew is a research scientist who studies the influence of nutrition and metabolism on health, disease and performance. He specializes in Type 1 diabetes and works with a wide range of people to improve their metabolic health and athletic performance. Andrew is a visiting research scientist at IHMC and has worked with Harvard, Johns Hopkins, NASA, and the Department of Defense to develop evidence-based strategies for o...
184
July 10, 2025
Episode 184: Ken and Dawn answer listener questions on AI, grip strength, ketamine, protein, digital twins, and more!
It’s time for another episode of Ask Me Anything. Dawn and Ken answer listener questions that range from generative AI to whether grip strength is a biomarker for longevity and the potential of ketamine as a treatment for depression. Dawn also gives a brief overview of work she is doing with the deep-sea technology company Deep. As a special treat at the end of today’s episode, Dawn plays a recording of the commencement speech that Ken recently gave at the University of West Florida. As the sayi...
183
June 24, 2025
Episode 183: Michael Schmidt on the challenges of building a space-faring civilization
Today we have the second installment of our interview with Dr. Michael A. Schmidt, the founder, CEO, and Chief Scientific Officer of Sovaris Aerospace, a company focused on assessments and solutions applied to humans in space and extreme environments on Earth. In today’s interview, we talk to Michael about NASA’s plans to send humans to Mars and build permanent colonies on the Moon and Mars. We also talk to Michael about his recent book, “Building a Space-Faring Civilization,” which addresses t...
182
June 2, 2025
Episode 182: Michael Schmidt on what precision medicine means to human spaceflight
Today we have Dr. Michael A. Schmidt, the founder, CEO, and Chief Scientific Officer of Sovaris Aerospace, a company focused on assessments and solutions applied to humans in space and extreme environments on Earth. Michael is also a professor of aerospace medicine at the University of Central Florida College of Medicine, one of the few programs in the U.S. that offers a medical residency in aerospace medicine. Michael is known for his work pioneering the field of precision medicine. He uses mo...
181
May 13, 2025
Episode 181: Ken Forbus talks about AI and his development of the Structure Mapping Engine
Our guest today is Dr. Ken Forbus, the Walter P. Murphy Professor of Computer Science and a Professor of Education at Northwestern University. Joining Dr. Ken Ford to co-host today’s interview is Dr. James Allen, who was IHMC’s associate director until he retired a few years ago. James is a founding fellow of the American Association for Artificial Intelligence and a perfect fit for today’s discussion with Dr. Forbus, who, like James, is an AI pioneer. Back in 2022, James was named a fellow by ...
180
April 9, 2025
Episode 180: Pascal Lee on NASA’s ambitions to send humans to the Moon and Mars
Today we have planetary scientist Dr. Pascal Lee and STEM-Talk host Dr. Ken Ford in a wide-ranging conversation about NASA’s ambitions to return humans to the Moon as a stepping stone to sending astronauts to Mars. Pascal is making his third appearance on STEM-Talk. Much of his research focuses on asteroids, impact craters, and the future human exploration of Mars. Pascal and Ken have a lively discussion about the growing momentum for space exploration. Pascal is a researcher at the SETI Insti...
179
March 5, 2025
Episode 179: JP Errico explains how vagus-nerve stimulation reduces inflammation and chronic diseases
Today we have JP Errico, a scientist and inventor whose work focuses on neuroimmunology and the many ways it impacts cellular metabolism, inflammation, mental health and how we age. He recently joined IHMC as a Senior Research Scientist. JP is particularly known for his research on vagus-nerve stimulation and is the author of the book, The Vagus-Immune Connection: Harness Your Vagus Nerve to Manage Stress, Prevent Immune Dysregulation, and Avoid Chronic Disease. He also is the co-host of the po...
178
Feb. 5, 2025
Episode 178: Karl Herrup discusses the shortcomings of Alzheimer’s research
Today we have Dr. Karl Herrup, a neurobiologist known for his investigations into the roles that DNA damage and noncoding genetic variants have in Alzheimer’s disease. Joining Ken today to interview Karl is Dr. Tommy Wood, a visiting scientist here at IHMC. Tommy also is an associate professor of pediatrics and neuroscience at the University of Washington, where he focuses on brain health across lifespan. He has been our guest several times on STEM-Talk and we will have links to those interview...
177
Jan. 16, 2025
Episode 177: Frank Butler talks about revolutionizing combat casualty care
Today we have Dr. Frank Butler, a retired Navy Undersea Medical Officer and an ophthalmologist who served as a Navy SEAL platoon commander prior to attending medical school. Just a few weeks after our interview, President Joe Biden awarded Frank a Presidential Citizens Medal during a White House ceremony. The medal is one of the highest honors a civilian can receive and recognized Frank’s many contributions to civilian and military trauma care. Frank is credited with founding Tactical Combat Cau...