The Norwegian philosopher Arne Næss defined happiness in a formula in his book Life’s Philosophy published 1999

Næss was 88 years old 1999 and writes in Life’s Philosophy that the well-being, W experienced by a person, is equal to the square of passion, P that we experience when we do something, divided by the sum of our sufferings S, bodily and mental sufferings. Since the passion is squared (P*P) in the formula a small increase in passion will make a big impact on well-being and low passion will give low well-being regardless of the level of suffering.

This means that…


Saint Augustine and the devil. Public Domain.

On Sunday the 30th of January 30 1718, Daniel Salthenius enters into a pact with the Devil. He writes a note with his own blood, walks into the woods close to his home, the Clergy house in the small village Markim north of Stockholm and puts up the note on the parish’s sacred and magical old oak.


Sami people photo by unknown — This image is available from the US Library of Congress Prints and Photographs division under digital ID ppmsc.06257

In the 18th century the average life expectancy in Sweden was around 35 years for men (in 2020 it is 81 years). The first real hospital in Sweden, intended exclusively for curing diseases, was opened in 1752 in Stockholm. So, is there anything we today can learn from health advice given in the early 18th century?

Carl Linnaeus was a Swedish botanist, zoologist, and physician. On May 12, 1732, the 25 years old Carl set out on a dangerous voyage to the northern part of Sweden — Lapland where the Sami people lives. The trip to Lapland was a big…


Photo by Patrick Carr on Unsplash

Understanding the darkness — maybe a poet does that better than a scientist? Everyone probably knows that scientists sometimes are active in the field of humanities, there are scientists who have made important humanistic contributions. But not everyone knows that there are also humanists who have solved difficult scientific problems.

Sometimes the easiest questions are the most difficult:

Why is the sky black at night?

If the universe is infinitely large and there are infinitely many stars that are randomly placed, then there should be a star at every point in the sky and the sky would be completely covered…

Thomas Arctaedius

Professor in entrepreneurship, PhD in Nuclear Physics. Entrepreneur and researcher. From Stockholm Sweden

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