Subjects

Chemistry

How to make soap in wartime?

During the Second World War, we were short of everything, and therefore of soap. The Belgian population, rationed, made some with its own means. […]

Mary Corinna Putnam Jacobi
Inventors

Mary Corinna Putnam Jacobi, a suffragette doctor!

Mary Corinna Putnam Jacobi was an American physician and writer. All her life, she fought for the education of women. Thanks to her, many female students were able to enter university, a field that was previously reserved for men. […]

Inventors

Emmy Noether, from mathematics to the name of a moon crater

A friend of Einstein and the source of many great theorems, Emmy Noether is a mathematician who became famous only after her death. Her research work has left its mark on the history of mathematics, and her life’s journey in a male-dominated world is worth a visit. […]

Animals

Why fear wolves?

The fear of the big bad wolf, maintained since the Middle Ages by tales and fables, is linked to the fear of our own animal impulses. But the wolf is practically harmless for the Man […]

Experiment decode messages with a red filter
Experiments

Decode messages with a red filter

Do you want to send secret messages to your friends, without anyone else being able to read it? Or even send a secret invitation to a lover? Play with light and color transmission to hide your messages. It’s your turn to play! […]