18 Jul 2026

Life lessons

Joy, happiness and the ability to choose

Joy is an experience. Happiness is a broader assessment of a life. Freedom of choice is one of its conditions, but not the only one. In the famous study by…

18 Jul 2026

Life lessons

Interest on an Advantage

A small advantage can grow. The sociologist of science Robert Merton called cumulative advantage the “Matthew effect”: a recognized researcher gets more attention and credit than a less known colleague…

18 Jul 2026

Knives

154CM, ATS-34 and CPM-154: one steel with three biographies

In price lists these three names sit side by side and are regularly passed off as one another. Their chemistry is the same: 154CM is the original American steel, ATS-34…

18 Jul 2026

Life lessons

Errors built into thinking

The brain does not merely err from time to time. It errs in predictable ways. The 1974 paper by Amos Tversky and Daniel Kahneman did not begin by accusing people…

17 Jul 2026

Life lessons

Environment Beats Character

Motivation is usually looked for inside the person and its presence explained by strength of character. It is periodically absent there without explanation, while the surrounding environment votes daily for…

17 Jul 2026

Life lessons

First aid before help arrives

Basic first aid is a practical skill, and it is better learned on a certified in-person course. The history of medicine is full of rules that became obvious only after…