The Earth is not a stationary block: its surface is divided into large pieces called tectonic plates. These plates move slowly relative to one another...
For an organism to be preserved as a fossil, it really has to be quite a succession of lucky breaks! Right after death, most organic...
In sharks, the skeleton is mainly made of cartilage, a flexible and strong material, very different from the calcified bones found in most other fish...
At great depths, the pressure can reach several hundred times that at the surface, an extreme situation for living organisms. To survive, luminescent fish possess...
Red algae are packed with natural molecules capable of retaining water like real little sponges. Among them are polysaccharides, a type of special sugar, which...
The older we get, the less our body produces melanin, the pigment responsible for the color of our hair. The culprits behind this phenomenon? Melanocytes, those specialized...
Leeches have two special ends called suckers, one at the front and a larger one at the back, allowing them to hold on tightly. The...
Underground, water in direct contact with hot rocks gradually heats up until it becomes steam. However, since this water and steam are trapped in narrow...
Erosion is a natural process that gradually shapes rock, particularly under the action of wind, water, and sand. The wind constantly bombards the rock with...
Near the coast, the terrain shape clearly influences how the wind behaves. When the wind comes from the sea towards the land, it is forced...
