Investor Due Diligence Report
I'm a math and science journalist and the author of Through the Shadowlands: A Science Writer's Odyssey into an Illness Science Doesn't Understand. Bylines: New York Times, Washington Post, Wired, Discover, Science News, many more. Click to read Julie Rehmeyer, a Substack with thousands of subscribers.
1K
100 paid
N/A
Pricing
$5/mo
$80/yr annual option
$555
100 paid subs
$555/mo – $555/mo(±0%)
Unknown
0.0 posts/week
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Aether Pirates of the Matterium! | 99K | +0.5% | Free | substack |
| The Science of Better | 84K | N/A | $5/mo | substack |
| Hidden Brain | 74K | +0.7% | Free | substack |
| The Intrinsic Perspective | 73K | +0.7% | $7/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 1K | $555 | — |
| Mar 2026 | 1K | $555 | ~0% |
Platform Dependency
Hosted on substack subdomain
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
1K subscribers — below the 2K category median (based on 94 newsletters)
Has paid tier
Active paid subscription offering
Peer monetization
74% of 74 similar-size peers in Science have paid tiers
Pricing position
$5/mo vs $5/mo category median (177 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $5 | $80 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
| Paid Subscriber Ratio |
| 90/100 |
| 25% |
| Starts With A Bang |
| 65K |
| N/A |
| Free |
| substack |