Episodes

A parasite that senses you coming. An “egg” that waits for the right moment. A life cycle designed to turn a host into a nursery. Space pathogen sci-fi stories hit so hard because they borrow from real evolutionary tricks, and in this episode we put that biology under a microscope as we dissect out some of our sci-fi favorites. We start with the Alien franchise and unpack what makes xenomorph horror feel believable: host detection, parasite-like behavior, and uncomfortable parallels on Earth lik...

Parasites spark equal parts fascination and fear—and they reveal how closely our health is tied to animals, food, water, and the places we live. We take you from the “heirlooms” we inherited from primate ancestors to the “souvenirs” picked up through agriculture and travel, then unpack what parasites actually do to the human body and why some symptoms are red flags while others are everyday noise. Along the way, we fact-check the social media wellness trend pushing “parasite cleanses,” and expla...

Ice doesn’t just melt; it remembers. As permafrost thaws, we unpack what really ‘wakes up’ in the soil—and what that means for human health, animals, crops, and culture. We bring a One Health lens to a noisy topic, cutting through “zombie virus” headlines to explain why most human viruses don’t survive freeze–thaw cycles, and how a 2016 Siberian outbreak became a case study in climate, ecology, and policy colliding. We explore the icy regions of the map—Russia, Canada, Greenland, Alaska, and Ant...

The average primary care visit lasts about 18 minutes. Complex symptoms, multiple conditions, and a maze of electronic forms don’t fit neatly into that window—and neither do the emotions that come with being sick. We sat down with advocates including a medical writer who was part of ACT UP, a sickle cell advocacy leader and a humanities scholar turned epidemiologist to unpack how patients, families, and clinicians can turn limited time into better outcomes with clearer language, smarter tools, a...

Curious how AI can make healthcare feel more human instead of less? We sit down with medical writer and AI adoption strategist Dr. Núria Negrão, who went from bench science to building practical ways for clinicians, researchers, and communicators to use generative tools without losing accuracy or empathy. From HIV educations roots to today’s most promising AI workflows, we trace what’s working now and where the next breakthroughs may land. We unpack the real bottlenecks: clinicians stuck typing ...

The climate isn’t just warming—it’s reorganizing the rules of biology. We explore how rising temperatures, deforestation, wildfire smoke, and thawing permafrost are reshaping the risk landscape for malaria parasites, heat-trained fungi, spillover-prone viruses, and resilient bacteria. From Kenyan highlands that became friendlier to Anopheles mosquitoes, to urban heat islands that may condition fungi to tolerate our body temperature, to the sobering lesson of Siberia’s anthrax outbreak after unus...