When cold air hits the nose directly, it reacts by increasing the production of mucus. The goal is simple: to protect the internal tissues from...
A jelly bubble is primarily composed of water, trapped in a gelatinous network formed by long chains called polymers. These polymers are often derived from...
Ants live in highly organized societies that rely on effective teamwork. For everything to run smoothly, they must quickly relay essential information such as the...
Lead is an ideal metal for blocking radiation. Why? Because it has a high density, which acts as a very effective barrier to stop gamma...
When your fingers are exposed to the cold, your body triggers an automatic reaction: it quickly limits the blood flow to the extremities (fingers, toes, nose, ears)....
Mussels attach themselves to rocks using what are known as byssal threads. These are small, solid yet flexible fibers, akin to a type of very...
In a heavy storm, the warm air at the ground is sucked upwards at sometimes impressive speeds. This vertical current, called updraft, can easily exceed...
Among the Assyrians, an eclipse was viewed as a major cosmic concern: it was believed that a demon or a hostile deity was literally attacking...
A lightning bolt is mainly a huge electric discharge that occurs between two differently charged areas within a cloud, or between a cloud and the...
Each year, several species of whales undertake long migrations, covering thousands of kilometers between their feeding areas located near the poles and their breeding grounds...
