The sounds that reach our ear trigger the vibration of tiny sensory cells called hair cells. Each of them has small hair-like structures at their...
Gills are somewhat like lungs for us, except that they work underwater. They are generally made up of thin filaments that are highly vascularized with...
Octopuses have an extremely flexible and elastic body. Their anatomy is primarily formed by a soft mantle containing their essential organs and directly connected to...
Tears are not just saltwater. Obviously, their number one ingredient is water, about 98-99%. But in them, you will also find salt (mainly sodium chloride), which explains...
During the Cretaceous period, the Earth experienced a sudden change in climate: global temperatures plummeted, oceans became colder, and sea levels dropped. It may not...
Cold greatly slows down or even sometimes completely stops the growth of microorganisms like bacteria and yeasts. Why? Simply because these little creatures need warmth...
Caterpillars have an astonishing ability to regenerate certain parts of their bodies after an injury. If a predator tears off a leg or an antenna, no problem,...
Oceans are filled with plankton, tiny organisms drifting freely with the current—a true nutritious soup at fin's reach! Filtering seawater allows whales to easily swallow...
Stem cells have a unique ability of self-renewal: they can multiply almost indefinitely while retaining their basic characteristics. It's a bit like having a personal...
Snails make their shell from a special organ called the mantle, which gradually secretes calcium carbonate. This mantle produces the shell following a regular curve, giving the...
