
Science, Culture, Reason, Public Policy, & Fascinating Ideas
| Platform | Pricing | Freemium | Publishes | Twice weekly | |
|---|---|---|---|---|---|
| Issues | 463 | Founded | 5 years ago | Last Issue | 8 days ago |
| Active | |||||

Sabine and I once again explore fascinating claims about the universe, some of which may be right, and some new proposed experiments that could shed light on current mysteries, or produce new ones.
Happy August! . Heading back to North Ame...
Subscribe now
Happy August! . Heading back to North America as we just concluded our Origin Project Adventure to Cyrpus and Greece, where we felt the heat, and avoided some wildfires while having some amazing positive experiences as well w...
For three years a remarkable family from Afghanistan has been in hiding awaiting final paperwork to emigrate to Canada. If ever a family deserved to escape to freedom this is one.
I remember when my friend, journalist Claire Berlinski, fir...
Subscribe now
I remember when my friend, journalist Claire Berlinski, first contacted me about a tragic situation regarding a family trapped in Afghanistan after the Taliban takeover. She knew that I had helped a young girl interested in p...
The development of the modern understanding of electricity and magnetism not only changed the modern world, it guided our understanding of fundamental physics.
I began this lecture by saying I was daunted by what I was about to talk about....
Subscribers, engagement, traffic and sponsorship for Critical Mass.
| Subscribers | Engagement | 75 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
How this newsletter ranks in the official Substack charts.
| #190 | |
| #101 |
The writers behind this newsletter.
Theoretical physicist. Best-selling author. Filmmaker. Advocate for science, reason and free speech. President of @OriginsProject. Host of @TheOriginsPod. Publisher of Critical Mass at lawrencekrauss.substack.com .
You can find recent issues that have been published by Critical Mass 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 Critical Mass, 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 Critical Mass 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 Critical Mass 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 Critical Mass. 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.