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. […]
During the Second World War, we were short of everything, and therefore of soap. The Belgian population, rationed, made some with its own means. […]
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 […]
Although very close to planet Earth, Mars has very little in common with our planet. […]
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! […]
Red cabbage juice is ideal for studying color indicators. Anthocyanin, a molecule found in red cabbage, changes color depending on the pH. It’s up to you to find out which of the different substances in the house is acidic or basic. […]
A colorful rain in a glass of water, can you believe it? Here is a […]
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