Knowledge to make smart decisions.
The Refreshed Awakening Paradox: Most adults assume that more sleep is always better and that 8 hours is the universal target. The chronobiology of human sleep tells a more nuanced story. Waking from the wrong moment in a sleep cycle — even if you have slept a full 8 hours — produces the foggy, drugged … Read more
The Brain That Aged Backwards: The cortex of every healthy adult begins thinning, slowly but reliably, after roughly age 25. The thinning is a structural feature of brain aging, visible on MRI, and largely independent of conscious effort. Almost. A specific population of adults — long-term meditators — shows a strikingly different trajectory. The prefrontal … Read more
The Position Premium: In any organisation of more than 30 people, the highest-earning role is rarely the most technically skilled and almost never the most senior in tenure. It is the role positioned to broker connections between otherwise-separated parts of the network. The same individual, in the same job title, can earn dramatically more or … Read more
The Counterintuitive Function of Joy: Negative emotions have an obvious evolutionary purpose. Fear narrows attention to the threat; anger mobilises confrontation; disgust drives avoidance. Positive emotions seem, by comparison, decorative — pleasant but functionless. The standard view was wrong by a substantial margin. The role of positive emotions in human cognition is now understood as … Read more
The Intelligence Trap: The most reliable predictor that an adult will fall for a sophisticated scam in 2026 is not low IQ, low education, or naivety. It is the opposite: the confident certainty that they are too smart to be scammed. High-IQ adults, on the data, are disproportionately represented in the victim pools of modern … Read more
The Hormone That Makes Your Morning: A specific hormonal pulse — sharply rising in the first 30 to 45 minutes after you open your eyes — determines, more than your coffee, your sleep duration, or your personality, whether the day in front of you will be cognitively sharp or sluggish. The pulse is called the … Read more
The Fuel Most Doctors Still Call a Waste Product: A molecule produced in your muscles during hard exercise, long classified by mainstream physiology as the cause of fatigue and the source of muscle burn, turns out to be one of the most important fuels your brain has ever evolved to use. The molecule is lactate, … Read more
The First-Number Premium: In any negotiation involving a number — a salary, a property price, a contract value, a settlement amount — the side that names the first credible figure controls the bargaining range for the rest of the conversation. The effect is not just psychological. It is measurable, predictable, and worth, on average, between … Read more
The Yesterday Trap: The single most expensive cognitive bias in retail investing is not greed, not fear, not overconfidence. It is the brain’s persistent assumption that whatever happened most recently is the new normal. Markets that went up yesterday will go up tomorrow. Sectors that crashed last month are permanently broken. Asset classes that have … Read more
The Cognitive Ceiling: Your brain’s most consequential bottleneck is not intelligence, not focus, not motivation. It is a structural limit on how many discrete pieces of information you can hold in active consciousness at the same moment. The limit is approximately four. Above that number, the cognitive system breaks down in predictable, replicable ways — … Read more