Reporting on that World Bank Nigeria paper| pershmail.substack.com
What research says and what I do| pershmail.substack.com
The research is more limited than you might think.| pershmail.substack.com
Everything you want to know about memorization and strategies.| pershmail.substack.com
What makes math different and why that changes how we memorize| pershmail.substack.com
How to write a nonfiction bestseller| pershmail.substack.com
On the Science of Mathematics| pershmail.substack.com
