Reletter
Artwork for Popular Rationalism

Popular Rationalism

James Lyons-Weiler, PhD
Hundreds of paid subscribers

Primary-source science analysis. No industry funding. Predictions on record.

Platform
Substack
PricingFreemiumPublishesDaily
Issues1662Founded5 years agoLast Issue2 days ago
Active

Read this Newsletter

popularrationalism.substack.com
Artwork for Popular Rationalism

Latest Issues

Research Lifecycle Planning for Solid Science: A 12-Step Program to Enforce Objectivity in Human Subjects (or any) Research

Research Lifecycle Planning at IPAK-EDU helps investigators develop and scrutinize a study protocol, with coordinated drafts for scientific review, ethics submission, registration, funding applications, and dissemination. Nothing like this...

2 days ago
9
1

Gerber and Nestlé Sued By Texas Over Toxic Metals in Baby Food

A manufacturer that asks parents to trust its baby food should expect independent scrutiny of the evidence behind that trust. Claims about rigorous testing, purity, and safety should describe a demonstrable system of protection, not an assu...

2 days ago
23
1

EVIDENTIARY REVIEW: Mebendazole Fenbendazole and Ivermectin for Astrocytoma

Mebendazole has reached human brain-tumor trials, while the astrocytoma case for fenbendazole and ivermectin still rests chiefly on preclinical research. It then explains why current molecular diagnoses matter, especially the distinction be...

4 days ago
28
5

RECREATIONAL MATHEMATICS: Announcing The IPAK-EDU Pi Lab

Oct 13, 2026 · James Lyons-Weiler

Many people see this pattern in the primes and speculate on deeper, specific meaning of the lines. You have probably seen the picture. A square spiral of numbers, black background, white dots for the prime...

4 days ago
18

NO FREE RIDE on Adverse Events in Clinical Trials

By James Lyons-Weiler, PhD

Popular Rationalism | October 12, 2026

Every Patient Should Benefit in Every Trial. Reporting Rates Is Not Ethically Sufficient. There Should Be No Free Ride on Adverse Events.

The October 8 HHS announcement re...

5 days ago
37
6

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Popular Rationalism.

SubscribersEngagement85Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

SEO Reach

Where Popular Rationalism ranks on Google, and how much search traffic it brings in.

Ranked Keywords195Monthly Search TrafficTop Keywords

Chart Rankings

How this newsletter ranks in the official Substack charts.

#61
Substack
/Science(Free)
#58
Substack
/Science(Paid)

Authors

The writers behind this newsletter.

  • James Lyons-Weiler, PhD

    CEO/President. Scientist. Author. Human Rights Advocate. Sharing Research and Interpretation, Not Medical or Legal Advice See also http://ipak-edu.org, http://ipaknowledge.org, and http://jameslyonsweiler.com

  • Frequently Asked Questions

    How can I access the email archive for Popular Rationalism?

    You can find recent issues that have been published by Popular Rationalism on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Popular Rationalism have?

    To see how many people subscribe to Popular Rationalism, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Popular Rationalism?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Popular Rationalism as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Popular Rationalism?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Popular Rationalism using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Popular Rationalism?

    Scroll up to where it says Related Newsletters to see other publications like Popular Rationalism. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Popular Rationalism?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.