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Artwork for 502 Conversations

502 Conversations - Science, Skepticism, Pseudoscience, Philosophy, and more.

Brian Kerby
Critical Thinking
Astrology
Skepticism
Education
Cannabis
Acrylamide
Nutrition Science
Pseudoscience
Homeopathy
Paranormal Media
Media Literacy
Time-Restricted Eating

Audio uploads of Dedham TV's "502 Conversations". Conversations with experts in their fields about science; skepticism; medicine; quackery; pseudoscience; philosophy; belief, why and how we believe; knowledge; and more. Guests have included Dr. Paul Offit; microbiologist Natalia Pasternak; Julia Sweeney; Sheldon Helms; JAMA Editor in Chief Dr. Howard Bauchner; Massimo Pigliucci; James Randi; Ray H... more

PublishesMonthlyEpisodes51Founded4 years ago
Number of ListenersCategory
Science

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Artwork for 502 Conversations

Latest Episodes

Carlos Orsi is an award-winning journalist with more than thirty years of experience in science writing. He is a director and cofounder of IQC, a Brazilian NGO dedicated to promoting science-based public policies, critical thinking, and scientific sk... more

Dr. William Matthew London is professor emeritus, Cal State LA, Department of Public Health. He is the editor of Center for Inquiry’s Quackwatch e-newsletter Consumer Health Digest, is content curator for Quackwatch's HHS Watch pages and is the onlin... more

Dr. Joe is director of the McGill Office for Science and Society, which aims to separate sense from nonsense. Dr. Joe holds a PhD in chemistry and is well known for his informative and entertaining public lectures on topics ranging from the chemistry... more

A rebuttal, of sorts, to episode 134 of The Body of Evidence, "Medical Cannabis: Where Are We?".

Dr. Labos is a cardiologist with a degree in epidemiology. He writes for the Montreal Gazette, makes regular appearances on CBC radio and TV, and is hos... more

Timothy Redmond, PhD teaches high school history, government, and critical thinking and is an adjunct professor at Daemen College. He is a Jackson Center fellow, the recipient of the 2019 Toby Ticktin Back Award for excellence in Holocaust education,... more

Dr. Crouch, or Dr. Dad as he is known online, is a psychologist, former meditation teacher, and author. He has published research in peer-reviewed academic journals, written therapy workbooks for children, and is the author of the Beyond Belief book ... more

Dr. Joe Pierre is a Professor in the Department of Psychiatry and Behavioral Sciences at the University of California, San Francisco; and the Unit Chief of the Langley Porter Psychiatric Hospital Adult Inpatient Unit. He has extensive clinical experi... more

A video version of this show is available at ⁠⁠https://youtu.be/jNo6479P3C4

Stuart Vyse is a behavioral scientist, teacher, and writer, with a PhD in psychology. He is an expert on superstition and irrational behavior, and has been quoted in the New... more

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Recent Guests

Carlos Orsi
Award-winning journalist and co-founder of IQC, chief editor of Ifista Castão de Ciência, author of What Science Says About Astrology
IQC; What Science Says series
Episode: Carlos Orsi - What Science Says About Astrology
William Matthew London
Professor Emeritus, Cal State LA, Department of Public Health; Editor of Quackwatch; skeptic and public health advocate
California State University, Los Angeles; Center for Inquiry; Quackwatch
Episode: William Matthew London ~ Editor, Quackwatch
Dr. Joe Schwarcz
Director of the McGill Office for Science and Society, author of Better Not Burn Your Toast
McGill University
Episode: Dr. Joe Schwarcz ~ Better Not Burn Your Toast: The Science of Food and Health
Christopher Labos
Cardiologist and epidemiologist; medical cannabis expert
McGill University; Montreal Gazette; Body of Evidence podcast
Episode: Cannabis: Benefits vs. Harm - What's the Evidence? with Dr. Christopher Labos
Timothy Redmond
High school history, government, and critical thinking educator; adjunct professor at Daemen College; author
Daemen College; Jackson Center Fellow; author of Political Tribalism in America
Episode: Timothy Redmond ~ Highly Effective Thinkers: Critical Thinking for Kids
Ronald Crouch
Psychologist, author, former meditation teacher
Raising a Skeptical Kid / Beyond Belief series
Episode: Raising A Skeptical Kid with Ronald Crouch

Host

Brian Kirby
Host of the show

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Talking Points

Recent interactions between the hosts and their guests.

Dr. Joe Schwarcz ~ Better Not Burn Your Toast: The Science of Food and Health
Q: What is the story with salt and health?
Salt is necessary for physiology, but most people consume too much due to processed foods; reducing daily intake toward three to four grams can significantly lower blood pressure and cardiovascular risk.
Dr. Joe Schwarcz ~ Better Not Burn Your Toast: The Science of Food and Health
Q: How should we think about time-restricted eating?
Most studies show modest weight loss when restricting eating to a specific window, largely because it reduces calories; however, long-term adherence is difficult and diet success depends on overall energy balance and lifestyle compatibility.
Dr. Joe Schwarcz ~ Better Not Burn Your Toast: The Science of Food and Health
Q: Why not burn your toast?
Burnt toast forms acrylamide at high temperatures; mildly heated bread can still be tasty and safe, but excessive charring increases potential carcinogen formation, so the recommendation is to avoid burning and to cook at lower temperatures.
Raising A Skeptical Kid with Ronald Crouch
Q: What tools would a child need to identify a scam or misinformation?
Ron discusses the SMART skills and the importance of staying skeptical, seeking clear definitions, asking evidence-based questions, and testing claims through age-appropriate activities to build a habit of critical evaluation.
Raising A Skeptical Kid with Ronald Crouch
Q: How did this whole project start for you and your son?
Ron explains that the idea grew gradually from wanting to teach his son critical thinking, starting when his son was six; the goal was to prepare him for a world full of misinformation by equipping him with practical, child-friendly critical thinking tools.

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Frequently Asked Questions About 502 Conversations

What is 502 Conversations about and what kind of topics does it cover?

This program features in-depth conversations with scientists, medical professionals, skeptics, and educators about science, medicine, pseudoscience, and Critical Thinking. Episodes typically explore how experts test claims, debunk misinformation, and communicate scientific consensus to broad audiences. Hosts bring curiosity and a readiness to challenge pseudoscience, often unpacking complex topics such as nutrition science, public health, cannabis research, and the methods of evaluating evidence. A notable strength is the willingness to host diverse experts—from physicians and epidemiologists to journalists and educators—to illuminate how thinking clearly and evaluating sources can improve public understanding. The show stands out for its p... more

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1. Science Vs

How many episodes of 502 Conversations are there?

502 Conversations launched 4 years ago and published 51 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on 502 Conversations?

Recent guests on 502 Conversations include:

1. Carlos Orsi
2. William Matthew London
3. Dr. Joe Schwarcz
4. Christopher Labos
5. Timothy Redmond
6. Ronald Crouch

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