10,000 Hours of Play by OP Hero: Nellie Bly
Ten days in a madhouse, 72 days around the world: Nellie Bly's OP Hero build, mapped through the…
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The Blog
Ideas on motivation, behavior & design.
Deep dives on the psychology behind why people do what they do — from Yu-kai Chou, creator of the Octalysis Framework. Pick the topic that matters to you.
10,000 Hours of Play by OP Hero: Chung Ju-yung
Hyundai founder Chung Ju-yung ran to Seoul on a borrowed cow and built an empire. His life decoded…
Nationcraft Analysis: Yemen Frozen War Trap 2026
The truce that stopped Yemen's bombing froze the state in two. The Frozen War Trap explains why four…
10,000 Hours of Play by OP Hero: Lise Meitner
Lise Meitner computed nuclear fission on a walk in the snow, refused to build the bomb, and outlived…
10,000 Hours of Play by OP Hero: Wangari Maathai
Wangari Maathai planted a movement: 30 million trees, a democracy fight, and a Nobel. Her full 10K HP…
Nationcraft Analysis: Mexico Borrowed Calm 2026
Mexico's homicide numbers are falling while the state rents its calm from cartels, truces, and US prisons. The…
Lewin’s Change Management: An S-Tier Behavioral Designer’s Guide
Kurt Lewin never packaged a three-step model, and the metaphor he actually used was a river. What he…