Phytoplankton are microscopic organisms that float near the surface of the oceans and perform photosynthesis, somewhat like terrestrial plants. They alone generate about half of...
Refraction simply refers to the bending of a light ray when it passes from one transparent medium to another (for example: from air to water, or from...
The scents we love so much are actually a precise cocktail of various fragrant molecules. Some, rather fresh and fruity, come from esters, known for...
The diamond and graphite are both made up solely of carbon, but their difference mainly comes from their internal organization. In diamond, each carbon atom...
Yellowstone is a caldera, a kind of gigantic dormant volcano capable of causing a supereruption. This means that in the event of a major eruption, massive amounts...
Dolphins have a very streamlined fusiform shape, highly adapted for gliding through the water, minimizing resistance that slows them down. Their head is slender and...
Hot deserts like the Sahara or Kalahari are mainly found around latitudes close to the tropics, where the sun beats down heavily all year round. These regions...
Insects have a different vision from ours: they primarily perceive ultraviolet light, colors that we cannot even see! Their eyes are made up of thousands...
Caves, thanks to a stable climate and constant darkness, provide ideal conditions for preserving these ancient paintings. The moderate humidity and the absence of direct...
Earthworms dig numerous tunnels in the soil as they move, creating a multitude of handy little passages. This constant mixing makes the soil lighter and...
