How 36 College Students Made Mozart a Brand
In 1993 a one-page paper reported a fifteen-minute boost on one kind of puzzle. Within five years a US state was budgeting classical CDs for every newborn. Every link in that chain dropped one small word.
The Tutor Was One Click Away
A two-year randomized trial of Khanmigo across 18 Tennessee middle schools found the AI tutor added almost nothing over plain practice - and the reason is that students barely used it.
The Clown That Taught Us How We Learn
In 1961, Albert Bandura had nursery-school children watch an adult punch, kick, and hammer an inflatable clown named Bobo. Ten minutes later, alone with the same doll, the children reproduced the violence almost move for move — no reward offered, no punishment threatened, no practice allowed. They learned it all by watching.
The Most Famous Baby in Psychology
A nine-month-old boy happily plays with a white rat. A steel bar is struck behind his head — bang — and weeks later he screams at a rabbit, a fur coat, even a Santa Claus mask. The most famous case study in psychology says fear is learned. A century later, we can't even agree on who the baby was.
The Dogs Who Forgot How to Jump
In 1967, three groups of dogs received the same shocks — but only one group learned that nothing they did mattered. The next day, when escape was one small jump away, most of them lay down and whined instead. The pain wasn't the lesson. The belief that nothing works was. And what gets learned can be unlearned.
More Practice, Worse Learning — Sweller's Cognitive Load Paradox
In the 1980s, John Sweller discovered something embarrassing for educators: the more problems students solved themselves, the less they learned. The secret was hiding in a bottleneck called working memory.