Sedimentation is simply the gradual deposition of particles like sand, mud, or shells at the bottom of a lake, sea, or river. Over time, these...
Some minerals have the curious ability to absorb invisible light (such as ultraviolet rays) and reemit it in the form of visible light. This phenomenon...
In fireflies, light production comes from chemical reactions in their abdomen. This is called bioluminescence. Specifically, a molecule called luciferin reacts with oxygen under the...
To become skilled at billiards, knowing how to manage angles is essential. When a ball strikes a cushion, its incoming angle directly determines its outgoing...
The green color of the leaves is mainly due to the presence of chlorophyll. This pigment absorbs sunlight to carry out photosynthesis and produce the...
Royal jelly is a key substance produced by worker bees to feed the larvae in the colony. It acts as a superfood packed with nutrients, vitamins, and...
The water molecule can be imagined like a little "Mickey Mouse": one oxygen atom in the center and two small hydrogen atoms attached to it. The oxygen...
Mushrooms are among the most effective decomposers in nature. When leaves, dead trees, or animal carcasses accumulate on the ground, mushrooms intervene to break them...
Some seeds have a very tough coat that prevents water or air from entering. Without sufficient water or oxygen, they remain dormant. Others contain internal...
Granite is primarily composed of three minerals: quartz, feldspar, and mica. The quartz, which is very hard, gives granite a high resistance to wear and...