Is it possible to split a sandwich in half with just one cut? The ham sandwich theorem explains how

Is it possible to split a sandwich in half with just one cut? The ham sandwich theorem explains how
The ham sandwich theorem, demonstrated by mathematicians AH Stone and J. Tukey in 1942, tells us that if we want ...

Is white chocolate really chocolate? The differences with fondant

Is white chocolate really chocolate? The differences with fondant
There is a debate, especially among enthusiasts, according to which white chocolate is not “real chocolate”. The reason would lie ...

The worst downsides of the year: the top 10 of the most serious IT outages in 2025

The worst downsides of the year: the top 10 of the most serious IT outages in 2025
Credit: Ookla/Downdetector. The photograph of the major IT downturns of 2025 returns a clear fact: our digital daily life is ...

Who decided that the year begins on January 1st?

Who decided that the year begins on January 1st?
It is not at all obvious that New Year’s Eve, the first day of the year, falls on January 1st: ...

From airbags to anti-rotation helmets: how technology has revolutionized safety in alpine skiing

From airbags to anti-rotation helmets: how technology has revolutionized safety in alpine skiing
If you think of an alpine skiing race, the speed and noise of the edges on the snow immediately come ...

Why do sumo wrestlers weigh so much?

Why do sumo wrestlers weigh so much?
Sumo (相撲) – a Japanese term that literally means “pulling each other” – is a form of hand-to-hand combat: the ...

The story of Sofonisba Anguissola: who was the forgotten Italian lady painter

The story of Sofonisba Anguissola: who was the forgotten Italian lady painter
Sofonisba Anguissola was a Renaissance “painter lady”, one of the few artists of the time to have achieved international fame ...

The color red, lucky foods, mistletoe: how the traditions of December 31st and January 1st were born

The color red, lucky foods, mistletoe: how the traditions of December 31st and January 1st were born
The traditions linked to New Year’s Eve et al January 1st they are many and diversified based on local customs. ...

Have you ever dreamed of this man? The truth behind the urban legend

Have you ever dreamed of this man? The truth behind the urban legend
“Ever dream this man?“, did you dream of this man? This phrase at the turn of the 2010s began to ...

What is caviar, how it is produced and why it costs so much

What is caviar, how it is produced and why it costs so much
Celebrating with “caviar and champagne” is synonymous with a rich, refined and expensive party, but the origin of this product ...