Roses were already associated with love in ancient civilizations, where the Greeks saw them as the favorite flower of Aphrodite, the goddess of love. Later, the Romans...
The scales of reptiles and the hair of mammals do not come from the same place on the evolutionary tree. The scales of reptiles appeared...
The gravitational force between the Earth and the Moon causes tidal forces that slightly deform our planet. This deformation creates ocean "bulges" pointed toward the...
The skin protects the fruit against all kinds of external threats such as bacteria, insects, or even the sun. It also acts as a sort...
When water heats up, the molecules start to jiggle more. Imagine a crowd: the hotter it gets, the more everyone moves and bumps into each...
Trees, somewhat like human skin, regularly replace the protective outer layer of their trunk. This phenomenon is called exfoliation: it’s what gives the impression that...
The color of a lake mainly depends on the elements present in its water and how it reflects light. Pure water absorbs red and lets...
Stones gradually become round due to the action of erosion, a natural phenomenon that wears down and transforms rocks over time. Essentially, several forces come...
Migratory birds generally seek heights where atmospheric conditions become favorable for them. At several hundred or even thousands of meters above the ground, they take...
Bricks are often made from a mixture of clay and water, shaped and then fired at high temperatures. During firing, it becomes hard and solid: this is...
