Ground Truths
Today: #42 in Science, New Zealand on our combined chart.
Chart positions today · United States
Not on the United States charts we track today.
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Ranking history · United States
Latest daily rankings: Oct 27. New rankings will appear after the next update.
Recent history only — this show has no current ranking on the Science chart. These are recorded positions from the last 14 days, not current rankings.
Position on the Science combined chart over the last 14 days. Toggle platforms to compare their positions. Lower rank numbers are better.
View as table
| Date | Combined Rank | Apple Podcasts |
|---|---|---|
| Oct 27 | — | — |
| Oct 21 | — | #191 |
| Oct 20 | — | #194 |
| Oct 17 | #199 | #181 |
| Oct 15 | #180 | #164 |
| Oct 14 | #178 | #162 |
Latest episodes
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Michael Lewis: The NIH “Murder Mystery,” DOGE, and Our Government Immune System
October 6, 2026 · 1 hr 3 minMichael Lewis is one of the best storytellers of our era. You know and likely have read his books Moneyball, The Big Short, The Blind Side, Flash Boys, Liar’s Poker, and The Undoing Project, to name a few. He has long been one of my…
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Marios Georgakis: Why Did Two Major Clinical Trials for Heart Disease Fail?
September 14, 2026 · 1 hr 8 minIn recent weeks the results (announced by press release) of 2 major placebo-controlled randomized trials—ZEUS, testing an interleukin-6 (IL-6) blocker vs inflammation, and HORIZON, testing a drug to lower Lp(a), indicated failure to…
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Two Landmark Studies Challenge Dogma About our Brain Immune Cells and Aging
August 30, 2026 · 44 minThis podcast is meant to complement my recent Ground Truths post Why Our Memory Slips After Age 50 which has all the relevant links to the 2 papers, key graphics, and other related publications. If you haven’t had a chance to read that, it…
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Deborah Cohen: The Wellness-Industrial Complex
August 23, 2026 · 59 minDeb Cohen is an award winning investigative journalist and correspondent who trained as a physician and has worked with the BBC and BMJ. She just published BAD INFLUENCE, a book which takes us deep into the wellness-industrial complex—the…
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Sarah Urbut: Predicting Your Health Arc
August 4, 2026 · 54 minSarah Urbut is a physician-scientist at Harvard Medical School and the Massachusetts General Research Institute. She and her colleagues published a landmark paper in Nature on patient health journeys for 3 different cohorts—the Mass…
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Patrick Hsu: How Is AI Catalyzing Life Science?
July 20, 2026 · 58 min“The future of biology is programmable.” To give you a sense of how important this topic is, Patrick Hsu is the first guest we’ve had back to Ground Truths since the podcast began a few years ago. Nearly 2 years ago we spoke about digital…
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Aaron Newman: A Breakthrough Blood Test for Cancer
July 3, 2026 · 48 minThe tumor microenvironment (TME), composed of immune cells, fibroblasts, and endothelial cells, has emerged as critical to pathogenesis, prognosis and treatment for cancer (schematic Figure below). There’s no such thing as TMI (too much…
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Elisa Port: Discuss THE BREAST ADVICE Book
June 26, 2026 · 1 hr 4 min“I may be the expert in cancer, but you are the expert in you.”—Elisa Port, MD Ground Truths is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Dr. Elisa Port is…
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Helen Pearson: What Constitutes Real Medical Evidence?
June 6, 2026 · 52 minHelen Pearson, PhD, is an award-winning biomedical journalist at Nature, named European Science Journalist of the Year in 2025. She teaches science writing at University College London. BEYOND BELIEF is her second, just published book. THE…
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Assessment of the Hantavirus with Prof Donald Milton
May 14, 2026 · 52 minGet full access to Ground Truths at erictopol.substack.com/subscribe
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Joanna Stern: An AI Immersion for 365 Days
May 13, 2026 · 58 minJoanna Stern was the Wall Street Journal technology journalist for 12 years. She’s an Emmy award winner for her documentary E-Ternal, and recently started her own company New Things, with added advice from ChatGPT! Over the years at WSJ…
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Roxanne Khamsi: We Are All Genetic Mosaics
April 25, 2026 · 52 min“You are a slightly different genetic version of yourself today from yesterday, and will be different yet again tomorrow.”—Roxanne Khamsi “Each neuron really is a beautiful and unique snowflake”—Ed Yong Roxanne Khamsi is one of the…

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