Writing
Explainers
What the research actually shows, written out properly, with every claim sourced.
Sensitivity beats level
One of the cleanest experiments in psychiatry gave two groups of women exactly the same hormones. One group's mood collapsed. The other group felt nothing. Nobody's levels were abnormal.
The traits you can't see in yourself
Every personality test asks you to rate yourself. For some traits that works fine. For others — reliably, predictably — the people who know you are more accurate than you are.
The Braverman test, explained
A 315-question test from a 2005 book sorts people into dopamine, acetylcholine, GABA and serotonin types. Here is how it works, why people find it compelling, and which parts survive contact with the evidence.