
Primary-source science analysis. No industry funding. Predictions on record.
| Platform | Pricing | Freemium | Publishes | Daily | |
|---|---|---|---|---|---|
| Issues | 1626 | Founded | 5 years ago | Last Issue | 3 days ago |
| Active | |||||

James Lyons-Weiler, PhD
Pennsylvania officials announced two “measles-associated” deaths in Lancaster County. They did not release case histories, final causal determinations, death certificates, or enough clinical information for the publ...
Ben Shapiro titled his August 11 essay “The Cardinal Sin That Shattered America’s Trust” and gave it the subtitle, “Data still doesn’t lie.” On that much we agree. Data do not lie. They can, however, be asked a narrow question and then cons...
The Pentagon’s 30-university audit did not create this problem. Congress wrote the disclosure law in 1986. Federal oversight repeatedly failed. Harvard’s intermediary now provides a concrete test of whether the government can finally see th...
The American Association of Immunologists has every right to oppose President Trump’s August 10 executive order on childhood vaccines. There are provisions in that order that can be expected to draw scrutiny, especially the decision to expr...
David M. Morens, a former senior adviser in the Office of the Director of the National Institute of Allergy and Infectious Diseases, pleaded guilty on August 18, 2026, in the U.S. District Court for the District of Maryland to Count One: co...
Subscribers, engagement, traffic and sponsorship for Popular Rationalism.
| Subscribers | Engagement | 86 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Where Popular Rationalism ranks on Google, and how much search traffic it brings in.
| Ranked Keywords | 195 | Monthly Search Traffic | Top Keywords |
|---|
How this newsletter ranks in the official Substack charts.
| #56 | |
| #58 |
The writers behind this newsletter.
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
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.
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.
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.
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.
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.
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.