Lifehacker – Tips on productivity, software, and life hacks
Ars Technica – Technology news, analysis, and in-depth reviews
Farnam Street – Mental models, decision-making, and learning
Zen Habits – Mindfulness, simplicity, and habit formation
3 Quarks Daily – Essays on science, philosophy, culture, and politics
Gizmodo – Tech, gadgets, design, and science news
Open Culture – Free cultural & educational resources
The Marginalian – Essays on creativity, art, literature, and life
Mashable – Technology, culture, and digital trends