Ballpoint pen ink is a mixture mainly composed of dyes or pigments, mixed with an oily or viscous solvent. This viscosity, in other words the...
In winter, the marked contrast between the very cold air near the ground and the warmer layers of air higher up enhances atmospheric turbulence. The...
These ferns exhibit clever adaptations to grow directly on trees. They often develop aerial roots capable of capturing moisture present in the air or water...
In the 1980s, Houtouwan was a small fishing village on Shengshan Island in China. The inhabitants primarily lived off fishing, in a place bordered by...
Aquatic plants float due to the principle of Archimedes: they experience an upward buoyant force equal to the weight of water they displace. In other...
Water under the ice seems strange, right? Yet, it happens when the glacier rests on a rocky base with natural hollows and depressions. These depressions...
For generations, Amazonian tribes have orally transmitted their knowledge about specific plants. Often through training with an experienced shaman or healer, this precious knowledge includes...
During a major eruption, ash clouds can reach impressive heights, averaging between 10 and 20 km in altitude. The most violent volcanoes even eject ash...
The adhesives used in stickers are mainly composed of polymers. These large molecules with long, flexible chains provide a certain flexibility, allowing them to spread...
Coffee contains many chemical components such as caffeine, essential oils, acids (for example chlorogenic acid), proteins, as well as aromatic compounds that give coffee its...
