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Education & LearningJune 20, 202615 min

The Notebooks of Richard Feynman: How a Physicist's Personal Learning Habit Became a Global Teaching Framework

Feynman never published a study method. Decades after his death, the world named one after him and the reason why reveals something uncomfortable about how most of us learn.

There is a shelf at the Caltech Archives that holds Richard Feynman's notebooks. Among them, one carries a title that reads less like a scientific record and more like a personal confession: Notebook of Things I Don't Know About . The premise was simple and, for a Nobel laureate, unusually humble. Before Feynman would claim to understand something, he insisted on being able to work through it himself from scratch, in his own words, without the comfort of borrowed jargon. He never published a study method. He never...

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Health & BehaviorJune 18, 202613 min

Inside Serotonin Club NYC: The Flatiron Studio Built for Community, Connection, and a Seriously Good Workout

From their signature Serotonin Boost class to rescue puppy yoga with Woof Wellness, here's everything you need to know about one of Manhattan's newest boutique fitness destinations.

There is a particular quality of light that filters through the second-floor windows of an old Flatiron building in late afternoon. In October 2025, two female founders opened the doors to a space they had spent months imagining into existence: a boutique fitness studio built not just for results, but for the kind of connection that outlasts the workout itself. They called it Serotonin Club NYC. The name is both literal and aspirational. The founders understood perhaps from their own years in studios across the...

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Editorial ResearchJune 15, 202611 min

The Quiet Revolution: How AI Is Transforming Knowledge Management

A specific market shift is transforming how knowledge moves from expert to learner and the organizations paying attention now are finding permanent advantages.

The conference room on the third floor of a mid-sized consulting firm in Chicago looked like most knowledge management meetings of a decade ago: a whiteboard covered in boxes labeled "what we know" and arrows pointing every direction. The chief learning officer, who had spent twenty years building their organization's internal wiki, was describing a problem that had become impossible to ignore. "We have everything documented," she said in a 2024 interview with Chief Learning Officer magazine. "Thousands of...

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Education & LearningJune 14, 202613 min

Tiago Forte and the Second Brain: How a Personal Health Crisis Became a Global Knowledge Movement

From a college student's desperate search for answers to a chronic illness to a methodology taught to thousands worldwide, Tiago Forte's Building a Second Brain traces a quiet revolution in how we think, capture, and create.

The Notebook That Wouldn't Let Go There is a moment in Tiago Forte's origin story that feels less like a productivity tutorial and more like a survival memoir. He was twenty-two years old, sitting in a neurologist's office in San Diego, when a doctor recommended a powerful painkiller that might dull the mysterious symptoms consuming his body. The prescription would fix the problem, the doctor said, at the cost of sensation throughout his entire body. Forte looked at that piece of paper and realized he had reached...

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