The cells of potatoes are surrounded by a fairly fragile membrane, whose mission is to maintain the balance between the inside and the outside. When...
Lift is the aerodynamic force that keeps an aircraft in the air. It is generated by the pressure difference between the intrados (lower surface of...
Plants capture sunlight through a well-known pigment called chlorophyll, the main player that gives leaves their green color. This captured light allows the plant to...
If you find that a chili pepper burns your mouth, it's because it contains a molecule called capsaicin. This substance is naturally produced by the...
Most substances become denser when they cool down, but water is a rebel! When it freezes, it adopts a particular structure and becomes less dense...
The Earth rotates around its axis in about 24 hours, causing the cycle of day and night. This rotation is responsible for the change of...
Predators play an essential role in maintaining the balance of ecosystems: they regulate the number of prey species, thus preventing their excessive proliferation. Without them, certain populations...
The atmosphere of the other planets in the solar system varies in composition depending on several factors, including distance from the Sun, planet mass, and...
Photosynthesis is when a plant takes in sunlight, water, and carbon dioxide (CO2), and turns them into sugar and oxygen. The process primarily takes place...
Light plays a key role in the gradual degradation of colors. More specifically, it is the ultraviolet (UV) rays from the sun that pose a...