//
Get monthly newsletter intelligence — trends, top movers, new opportunities
Newsletter Insights — advertising rates and audience data for 36K+ newsletters
Browse all →Platform Portability
Uses Substack subdomain (jannalevin.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
My reports from space & time.
Data updated 2 months ago
Janna Levin's Higher Dimensions hasn't published recently
Last post was 2 months ago. Growth, revenue and CPM projections assume ongoing activity, so they're hidden until posting resumes.
1.2K paid
We don't have enough growth data for Janna Levin's Higher Dimensions yet. The average Science newsletter has 2K subscribers.
Based on 256 Science newsletters tracked
vs 65 newsletters in Science
17K places you in the top 25% of newsletters in this category.
Engagement Rate
0.10%
median: 0.00%
Posts per Week
2.0
median: 0.8
Subscribers
17K
median: 2K
Avg Comments
5.0
Avg Likes
12.0
Engagement Rate
0.10%· ~17 likes + comments/post
(comments + likes) / subscribers
| Public |
| Video, Scientific Controversies: Quantum Weirdness with Paul Davies, Natalia Ares, and Janna LevinThe convo begins around timestamp 6:30Mar 11, 2026 | Subscriber-only |
Quality Score
Engagement vs Science
0.10% engagement rate
Score Breakdown
Engagement Score
The Nature-Nurture-Nietzsche Newsletter
16K subs
The Virology Controls Studies Project
16K subs
Where are the numbers? by Norman Fenton and Martin Neil
20K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of Janna Levin's Higher Dimensions vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including Epsilon3, Welcome back, Mercury + 29 more.
$300·2-3 working days·refunded if we can't deliver
Publishing Frequency
Previously ~2x per week
Inactive — last post 2 months agoScience Pricing
$5/mo median
Above average(+60%)
Monetization Readiness
Already monetizing
100% of similar-size Science newsletters also have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — free17.0K subscribers and 0.10% engagement — past the threshold where Science newsletters typically attract sponsors.
Premium Pricing
Priced at $8/mo, 60% above the Science median of $5/mo.