The Romans had grasped one essential thing: water always flows downhill. They designed their aqueducts with a gentle and constant slope (often between 0.1 and...
Some plants actually need fire to release their seeds or to trigger their germination. For example, the cones of certain pines like the Aleppo pine...
The color of the sea mainly depends on how light interacts with water. When a light ray hits the surface of the water, certain colors...
Top predators, also known as super predators, prevent certain species from becoming dominant and overly reducing the populations of other animals or plants. For example, by limiting...
Every year, monarch butterflies embark on a true aerial marathon of nearly 4,000 kilometers. Incredible but true, these fragile insects, weighing just a few grams, can fly...
The tide alters the visual aspect of the beaches by revealing or covering different sand areas. At high tide, the water covers the beach, making...
If you've ever noticed that some cities have streets that wind in all directions, it's often due to the natural terrain. Hills, mountains, or waterways...
For the Mayans, agriculture was primarily based on the cultivation of corn, essential for their survival. Using a hyper-accurate calendar was key to knowing exactly...
Lichens are organisms that are very sensitive to air quality, making them effective bio-indicators for monitoring air pollution. Since they have no roots, they absorb...
The venom of jellyfish is a complex cocktail mainly composed of toxic proteins. These proteins are designed to quickly paralyze prey so that the jellyfish...