An assortment of blogs I think are informative and pretty interesting:
General:
Slate Star Codex
Marginal Revolution
Melting Asphalt
Paul Graham’s Essays
Pat Collison’s Blog
Reid Hoffman’s Blog
On Self-Development:
Julian Shapiro’s Blog
On Economics:
Pseudoerasmus
The Money Illusion
Basil Halperin’s Blog
On Cause Areas:
Our World in Data
Real Climate
80,000 Hours
On Culture and Good-living
Ted Gioia’s Blog