Newsletter Insights — independent newsletter & sponsorship data across 41K+ newsletters
Browse all →Collapses are the way the universe gets rid of the old to leave space for the new. It was noted for the first time by the Roman Philosopher Lucius Anneaus Seneca (4 BCE-65 CE) and it is called today the "Seneca Effect.".
Enter your email and we'll send your inquiry to the Newsletter Insights team.
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedThe Seneca Effect's metrics, benchmarks, and sponsor data in one document
2K
Above Median in Science
substack
Science
WeeklyOn pause
Last published Apr 17, 2026
$5/mo
Category avg: $5/mo
152
newsletters in Science
Above Median in Science
out of 152 newslettersPublishing Frequency
Weekly
Inactive — last post 6 months ago
