Copper is a metal that, when left exposed to ambient air, gradually begins to change color. Why? Because it naturally reacts with the oxygen present...
The Earth constantly rotates on itself, and this has consequences for the oceans. Due to this rotation, a force called Coriolis force emerges. This force...
The main responsible for the typical smell of rain is called petrichor, a combination of plant oils deposited on the ground during dry periods and...
When sunlight passes through our atmosphere, it encounters tiny particles and air molecules along its path. These tiny obstacles scatter the light in all directions: this is...
The moonlight, although in truth a simple reflection of the sun, is sometimes enough to trigger phosphorescence in certain microscopic marine organisms, most often bioluminescent...
Gunpowder was discovered in China around the 9th century, by chance, by alchemists primarily searching for a potion of immortality. They unintentionally mixed saltpeter, sulfur, and charcoal,...
When elephants regularly pass through an area, they become true landscape architects. By opening paths through forests, they create essential natural corridors for many other...
Some small islands suddenly emerge from the ocean due to intense underwater volcanic eruptions. When a submarine volcano erupts, it blasts lava and debris at...
Fog is nothing more than a cloud that decides to linger close to the ground. For it to appear, it is enough for the air...
The color of fire primarily depends on its temperature. The higher it is, the more the flame turns blue. A rather "cool" fire (around 800°C...
