The ice of glaciers is not just simple solid water. It forms through the gradual accumulation of compressed snow, which becomes denser over time. During...
According to Einstein and his theory of general relativity, gravity is not simply a force. It actually corresponds to a deformation of space-time caused by...
The rule of the game in the universe is that energy never comes from nowhere and never really disappears. It simply changes from one form...
Most of the time, it is planktonic microorganisms, especially dinoflagellates, that illuminate the sea. These tiny unicellular algae, like the species Noctiluca scintillans, have the...
Landslides occur when a mass of soil, rocks, or mud suddenly rushes down a slope. It starts with a loss of balance of the materials...
The human brain is not really a reliable clock: depending on our emotions or experiences, the perceived time changes completely. When we are bored or...
In some frogs, nocturnal fluorescence comes from particular molecules located beneath their skin. These compounds absorb ultraviolet (UV) light and then re-emit that energy in...
About 540 million years ago, during the Cambrian period, the first marine mollusks developed calcium carbonate shells. Initially, these shells primarily served to provide mechanical...
An uninsulated electric cable is like a saucepan without a handle: dangerous to touch bare. Good insulation prevents direct contact with live electrical conductors, which...
Tomatoes primarily consume nitrogen, while basil likes to draw other minerals like magnesium or calcium. This prevents them from competing for nutrients. As a result, each plant...