//
Get monthly newsletter intelligence — trends, top movers, new opportunities
Newsletter Insights — advertising rates and audience data for 21K+ newsletters
Browse all →Platform Portability
Uses Substack subdomain (clifhigh.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 →
clif high's 5GUW reporting. And Woo. Lots of Woo. Explorations of this Matterium & its inhabitants including Space Aliens on the Moon!
Data updated Yesterday
Humanity United Now - Ana Maria Mihalcea, MD, PhD
71K subs
Starts With A Bang
61K subs
The Poetry of Reality with Richard Dawkins
46K subs
Avg Comments
220.0
Avg Likes
479.0
Engagement Rate
0.72%· ~699 likes + comments/post
(comments + likes) / subscribers
The Century of Biology
25K subscribers
Quality Score
Engagement vs Science
0.72% engagement rate
See Aether Pirates of the Matterium!'s score breakdown & category ranking
Quality sub-scores, category percentile, and engagement benchmarks
See full analysis freeUsed by thousands of newsletter operators and advertisers
Sign up for a free account to unlock Aether Pirates of the Matterium!'s percentile rankings in Science
Sign up freeHere's what we know about this newsletter's activity:
Publishing Pace
Weekly
Category Rank
#1 of 246
in Science
Engagement Trend
Building
too early to measure
Weekly Growth
~0%
Revenue analysis available
See full revenue breakdown
MRR methodology, pricing analysis, and revenue projections
Create free accountUsed by thousands of newsletter operators and advertisers
$15–$35
See detailed CPM analysis
Category benchmarks and audience-size adjusted rates
Create free accountUsed by thousands of newsletter operators and advertisers
Subscriber count is a platform estimate — actual growth not reflected in chart
Publishing Frequency
Weekly
Last published Mar 9, 2026
1.0 posts/week avg
Science Pricing
$9.56/mo avg
Your newsletter: Free
Monetization Readiness
Science newsletters typically start charging at ~2K subscribers
Above the typical threshold
100% of similar-size Science newsletters have paid tiers
Sign up for a free account to unlock monetization & ad rate insights
Sign up freeReady for Sponsors
97.0K subscribers and 0.72% engagement — past the threshold where Science newsletters typically attract sponsors.