Articles - Subjects

The world’s biggest cat resurrected

The Caspian tiger is undoubtedly the biggest cat that has trod this Earth, but this one disappeared about 50 years ago. Now scientists want to revive them! […]

The glass frog

Fairy tales have accustomed us to glass slippers and frogs turning into Prince Charming after a sweet kiss. But did you know the glass frog? Just like Cinderella’s slipper, it is fragile! […]

Why are there reds, blondes or other hair colors?

Hair color depends on a molecule called melanin. Melanin is a dark brown pigment. […]

The mantis shrimp and its incredible powers

Despite its variegation of bright colors and the ornaments of its scales, the mantis shrimp peacock (or Odontodactylus scyllarus) is a formidable predator that will quickly amputate your finger if you get too close to it. […]

Once upon a time, there was water on Mars

On Mars, scientists are not looking for Martians, but traces of water. New images received […]

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. […]

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 […]

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! […]