The corn kernel is like a natural capsule composed mainly of three parts: a very hard outer shell called the pericarp, a starchy nutrient tissue...
Sunlight generally appears white to us, but it is actually made up of many different colors. Each color corresponds to a specific wavelength. When sunlight...
The volcanic ashes from Vesuvius were made up of tiny fragments of volcanic rocks and volcanic glass, initially very light but quickly accumulating to form...
Thunder is caused by lightning. When a flash of lightning tears through the sky, it very abruptly heats the air around it (we're talking about...
Some flowers patiently wait for nightfall to open because their favorite pollinators are nocturnal. These insects and animals that roam mostly at night range from...
Thanks to their thick and fleshy shape, cacti limit their exposure to the sun as much as possible, which helps to reduce the surface area...
The Moon doesn't emit any light by itself; it is simply the Sun that illuminates it. As it orbits around the Earth, it presents us...
When tempering goes wrong, it disrupts the natural crystallization of cocoa butter in chocolate. Normally, cocoa butter forms small, regular, and stable crystals called beta...
At ground level, the wind is slowed down by friction against the terrain, whether caused by hills, buildings, trees, or even the natural roughness of...
When a candle burns, it is not just the wick that fuels the flame, but primarily the melted wax. This wax rises through capillarity in...
