As you ascend to higher altitudes, the air becomes thinner: less concentrated, less dense, but still composed of 21% oxygen. So, even though the percentage...
A flame needs heat, fuel (like the wax of a candle), and oxygen. A slight gust of wind can abruptly cool the flame by dispersing...
The Epupa Falls hold powerful significance for the Himba people, who have always inhabited this region. They represent a sacred place closely tied to their...
The sun emits white light, which combines all visible colors. When this light hits water, each color reacts differently. The red, orange, and yellow wavelengths...
Penguins have a streamlined torpedo-shaped body that allows them to glide easily underwater. Their wings are in the form of short, rigid flippers, perfect for...
Brisk walking is a bit like a moderate workout for your heart. By practicing regularly, you directly strengthen your heart: it becomes able to pump...
Seahorses have a body covered with a series of bony rings instead of soft scales. This feature gives them amazing rigidity that helps them easily...
When you heat a tennis ball, the air inside stirs, as the air molecules move faster due to the heat. As a result, they hit...
In Japan, starting from the Kamakura period (1185-1333), samurai adopted the katana as their main weapon due to the numerous internal conflicts and close skirmishes...
Elastane has an exceptional elasticity that can stretch several times its original length without deforming. As it is highly stretchable, this fabric naturally follows the...
