Bioluminescence is the ability of a living organism, such as certain insects, to produce and emit its own light. In insects, this luminous phenomenon is...
The wind works a bit like an express delivery service for scents. Before it rains, atmospheric pressure drops, allowing the wind to push ahead certain...
The color of clouds primarily depends on how the sun's rays interact with them. When light passes through a cloud, some of it is scattered, absorbed, or...
A tennis ball is primarily composed of a rubber shell filled with pressurized air, covered with a felt often made from a blend of wool...
The bright colors of minerals mainly come from the chemical elements they contain. For example, the presence of metals like iron, copper, chromium, or manganese...
The red color of apples is mainly due to pigments called anthocyanins. These molecules are stored in the skin of the fruit and become more...
In nature, survival often depends on little things, and symbiosis can significantly improve an animal's chances of success. Rather than relying solely on its own...
Some microbes, such as actinobacteria, live quietly in the soil during dry periods. When the rain finally falls, it hits the ground and suddenly releases...
Strong storms or intense rain can temporarily reverse the flow of a river. When a massive amount of water arrives suddenly, it creates a sort...
Some lakes rest on a layer of rock or sediment that can be fragile or porous. If this layer cracks or collapses suddenly, water then...