The moon has a large number of craters due to the lack of a protective atmosphere. On Earth, our atmosphere acts as a shield by...
The polar regions include the Arctic and Antarctica. The Arctic is located around the North Pole, mainly covered with frozen ocean called sea ice. Antarctica, on the...
Some male birds display bright and vibrant colors thanks to the presence of special pigments in their feathers. The pigments responsible for these colors are...
Animal poisons are substances with potentially deadly effects for many species, including humans. However, these same toxic compounds can also have interesting therapeutic potential in...
Polyester and spandex textiles are often chosen for their stretchiness and durability. Polyester is a synthetic fiber made from petroleum, while spandex is an elastomer...
When our body is exposed to cold temperatures, skin receptors called thermoceptors transmit signals to the brain. More specifically, thermoceptors are sensitive to temperature changes...
Emission and absorption spectra are fundamental tools in astronomy for studying the chemical composition of stars. Emission spectra appear as bright lines on a dark...
Water is a molecule composed of two hydrogen atoms and one oxygen atom, connected by covalent bonds. However, the shape of the water molecule is...
Water lilies close their flowers at night for various biological reasons. This phenomenon is mainly related to mechanisms of protection and adaptation of the plant...
The Hawaiian archipelago is located in the middle of the Pacific Ocean, more than 3700 km from any other nearest land. The volcanoes of Hawaii...
