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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 […]
1001 colors with red cabbage
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. […]
Red, yellow, green, why do the leaves change colour in the fall?
Have you ever wondered where the colors of the leaves come from? And why do they change colour with the seasons? In this experiment, you will extract pigments from the leaves and use a chemical technique called chromatography. Using capillary forces, you will discover the colourful world hidden in tree leaves. […]
How does the chameleon blend into its environment?
When we change clothes, it’s for the pleasure of wearing what we like, playing sports or dressing up. The chameleon makes fun of fashion or carnival, if it changes skin color, it is for more primary reasons. Green, brown, yellow, but also blue or pink, the chameleon is the undisputed master for changing skin. But how does it work? […]
The giraffe, an animal that will surprise you every time!
Few animals like giraffes. It’s true what! They are tall on legs, they have a very long neck, a doe look, camel horns and a leopard dress. What strange mammals! […]
