Flowers contain various chemical substances that determine whether they are safe to consume or not. Some contain compounds like alkaloids, digitalin, or solanine, which often...
The strawberry is not technically a true fruit but a false fruit, as it is a fleshy part that arises from the swelling of the...
Shooting stars are actually tiny rocky or metallic particles called meteoroids. They wander in space, usually coming from comets or asteroids, from which they break...
At high altitudes, the air becomes less dense, which simply means there are fewer oxygen molecules available with each breath. As a result, the lungs...
Beaches made of crushed shells primarily come from marine organisms. Mollusks, crustaceans, and other shelled animals produce solid calcareous shells throughout their lives from minerals...
When an airplane moves forward, its wings guide the airflow around them. Thanks to their slightly curved shape on top and flatter underneath (called aerodynamic...
When the sunlight passes through our atmosphere, it encounters air molecules and small suspended particles. These tiny elements scatter the light rays in different directions: this is...
Leafcutter ants often carry fragments much larger than themselves, sometimes up to 50 times their own weight. Why this seemingly exhausting choice? In reality, hauling...
Under several kilometers of water, the pressure is so powerful that it sometimes amounts to several hundred times that felt at the surface. At these...
Around the world, each civilization has developed its own calendar based on practical needs, religious beliefs, and astronomical observations. For example, the ancient Egyptians relied...