Our skin is mainly composed of three distinct layers: the epidermis, the dermis, and the hypodermis. The epidermis is the outer layer that protects the...
Crescent City is located on the northwestern coast of California, not far from the border with Oregon, directly across from the Pacific. The big issue...
When a tree is regularly subjected to strong winds, it endures significant mechanical stress. The trunk is constantly strained, bent, and deformed by gusts, generating...
Bamboos have a unique genetic heritage that allows them to grow at a record speed. Their genome is equipped with numerous genes responsible for very...
When you squint, it is mainly the muscles around the eyelids that come into play, especially the orbicularis oculi muscle. This circular muscle contracts gently...
The metal fork made of stainless steel is rigid but sufficiently elastic: this means it vibrates easily when excited by friction. It conducts vibrations very...
Even when they appear perfectly solid, ice cubes can slowly lose some of their ice in the form of vapor, without passing through the liquid...
The way a mirror distorts an image essentially depends on its shape and its curvature. A normal mirror, the one you use every day, is...
The foam you see in your bath is mainly due to the presence of surfactants, molecules found in soap and shower gels. These somewhat special...
Tides occur mainly due to the gravitational force exerted by the Moon, and to a lesser extent by the Sun, on the Earth's oceans. As...