Search results
Results from the WOW.Com Content Network
Viola sororia ( / vaɪˈoʊlə səˈrɔːriə / vy-OH-lə sə-ROR-ee-ə ), [ 5] known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, woolly blue violet, hooded violet, and wood violet.
Light skin is a human skin color that has a low level of eumelanin pigmentation as an adaptation to environments of low UV radiation. [ 1][ 2] Due to migrations of people in recent centuries, light-skinned populations today are found all over the world. [ 2][ 3] Light skin is most commonly found amongst the native populations of Europe, East ...
The Fugates, commonly known as the " Blue Fugates " [ 1] or the " Blue People of Kentucky ", are an ancestral family living in the hills of Kentucky starting in the 19th century, where they are known for having a genetic trait that led to the blood disorder methemoglobinemia, causing the skin to appear blue.
Color theory, or more specifically traditional color theory, is the historical body of knowledge describing the behavior of colors, namely in color mixing, color contrast effects, color harmony, color schemes and color symbolism. [ 1] Modern color theory is generally referred to as Color science. While there is no clear distinction in scope ...
Human skin color. Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among individuals is caused by variation in pigmentation, which is the result of genetics (inherited from one's biological parents ), exposure to the sun, disorders, or some combination thereof.
Mongolian spot is a congenital developmental condition—that is, one existing from birth—exclusively involving the skin. The blue colour is caused by melanocytes, melanin -containing cells, that are usually located in the surface of the skin (the epidermis ), but are in the deeper region (the dermis) in the location of the spot. [ 6]
The color adjectives used in 1779 are weiss "white" ( Caucasian race ), gelbbraun "yellow-brown" ( Mongolian race ), schwarz "black" ( Aethiopian race ), kupferrot "copper-red" ( American race) and schwarzbraun "black-brown" ( Malayan race ). [ 11] Blumenbach belonged to a group known as the Göttingen school of history, which helped to ...
Color of chemicals. The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. The study of chemical structure by means of energy absorption and release is generally referred to as spectroscopy .