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102-489: (Redirected from Yesil ) Yeşil ( green in Turkish) may refer to: Mahmut Yıldırım (born 1953), Turkish contract killer also known as "Yeşil" Samed Yeşil (born 1994), German-Turkish footballer Yeşilırmak River , a river in northern Turkey [REDACTED] Surname list This page lists people with the surname Yeşil . If an internal link intending to refer to

204-500: A PIE root * ghre- "to grow", and root-cognate with grass and to grow . The first recorded use of the word as a color term in Old English dates to ca. AD 700. Latin with viridis also has a genuine and widely used term for "green". Related to virere "to grow" and ver "spring", it gave rise to words in several Romance languages , French vert , Italian verde (and English vert , verdure etc.). Likewise

306-410: A blue-green color, while the light-adapted eye is most sensitive about 555 nm, a yellow-green; these are the peak locations of the rod and cone (scotopic and photopic, respectively) luminosity functions . The perception of greenness (in opposition to redness forming one of the opponent mechanisms in human color vision ) is evoked by light which triggers the medium-wavelength M cone cells in

408-425: A camouflage in military and other fields. Substances that may impart a greenish hue to one's skin include biliverdin , the green pigment in bile , and ceruloplasmin , a protein that carries copper ions in chelation . The green huntsman spider is green due to the presence of bilin pigments in the spider's hemolymph (circulatory system fluids) and tissue fluids . It hunts insects in green vegetation, where it

510-795: A cornerstone in reducing adolescent sexual risk behaviours and promoting sexual health. In addition to providing accurate information about consequences of Sexually transmitted disease or STIs and early pregnancy , such programmes build life skills for interpersonal communication and decision making. Such programmes are most commonly implemented in schools, which reach large numbers of teenagers in areas where school enrollment rates are high. However, since not all young people are in school, sex education programmes have also been implemented in clinics, juvenile detention centers and youth-oriented community agencies. Notably, some programmes have been found to reduce risky sexual behaviours when implemented in both school and community settings with only minor modifications to

612-517: A figure projected to grow 89.5 per cent by 2025. Moreover, this majority are extremely diverse: some live in rural areas but many inhabit the overcrowded metropolises of India , Mongolia and other parts of Asia and in South America, some live traditional lives in tribal societies , while others participate in global youth culture in ghetto contexts. Many young lives in developing countries are defined by poverty, some suffer from famine and

714-454: A green dye for clothing, made from the leaves of the birch tree. It was of very poor quality, more brown than green. Ceramics from ancient Mesopotamia show people wearing vivid green costumes, but it is not known how the colors were produced. In Ancient Egypt , green was the symbol of regeneration and rebirth, and of the crops made possible by the annual flooding of the Nile. For painting on

816-497: A large percentage of T1D youth population is not meeting this guideline. Common barriers include fear of hypoglycemia , loss of glucose stability, low fitness levels, insufficient or inadequate knowledge of strategies to prevent hypoglycemia, lack of time, and lack of confidence in the topic of exercise management in type 1 diabetes. Many Health and Care Professions Council members who work with children aren't educated enough about diabetes in children and exercise recommendations. It

918-485: A mix ratio 75:25 of boron and potassium nitrate . Smoke can be turned green by a mixture: solvent yellow 33, solvent green 3, lactose , magnesium carbonate plus sodium carbonate added to potassium chlorate . Green is common in nature, as many plants are green because of a complex chemical known as chlorophyll, which is involved in photosynthesis . Chlorophyll absorbs the long wavelengths of light (red) and short wavelengths of light (blue) much more efficiently than

1020-450: A national school-based survey conducted by CDC as well as state and local school-based surveys conducted by education and health agencies. Universal school-based interventions such as formal classroom curricula, behavioural management practices, role‐play, and goal‐setting may be effective in preventing tobacco use, alcohol use, illicit drug use, antisocial behaviour, and improving physical activity of young people. Type 1 diabetes (T1D)

1122-533: A new politics of the left which rejected traditional socialism and communism. (See § In politics section below.) Green can communicate safety to proceed, as in traffic lights . Green and red were standardized as the colors of international railroad signals in the 19th century. The first traffic light, using green and red gas lamps, was erected in 1868 in front of the Houses of Parliament in London. It exploded

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1224-457: A person's life, unlike youth, which is a socially constructed category. The United Nations defines youth as persons between the ages of roughly 12 and 24, with all UN statistics based on this range, the UN states education as a source for these statistics. The UN also recognizes that this varies without prejudice to other age groups listed by member states such as 18–30. A useful distinction within

1326-496: A possible type 2 diabetes, children are encouraged to keep their BMI and adipose tissue percentage at normal levels. Exercising regularly improves insulin resistance, reduces blood glucose levels, and keep an individual at a healthy weight to stay away from a possible T2D diagnosis. Obesity now affects one in five children in the United States, and is the most prevalent nutritional disease of children and adolescents in

1428-512: A potentially more serious threat to healthy youth development. The definition of bullying is widely agreed on in literature on bullying. The majority of research on bullying has been conducted in Europe and Australia. Considerable variability among countries in the prevalence of bullying has been reported. In an international survey of adolescent health-related behaviors, the percentage of students who reported being bullied at least once during

1530-452: A specific person led you to this page, you may wish to change that link by adding the person's given name (s) to the link. Retrieved from " https://en.wikipedia.org/w/index.php?title=Yeşil&oldid=1223948451 " Categories : Surnames Turkish-language surnames Hidden categories: Articles with short description Short description is different from Wikidata All set index articles Green Green

1632-593: A term for the range of ca. 450–530 nm ("blue/green") and another for ca. 530–590 nm ("green/yellow"). In the comparative study of color terms in the world's languages, green is only found as a separate category in languages with the fully developed range of six colors (white, black, red, green, yellow, and blue), or more rarely in systems with five colors (white, red, yellow, green, and black/blue). These languages have introduced supplementary vocabulary to denote "green", but these terms are recognizable as recent adoptions that are not in origin color terms (much like

1734-442: A traditional color wheel, based on subtractive color, the complementary color to green is considered to be red. In additive color devices such as computer displays and televisions, one of the primary light sources is typically a narrow-spectrum yellowish-green of dominant wavelength ~550  nm ; this "green" primary is combined with an orangish-red "red" primary and a purplish-blue "blue" primary to produce any color in between –

1836-449: A wide range of issues and behaviors, addressing when and where alcohol can be consumed. The minimum age alcohol can be legally consumed can be different from the age when it can be purchased in some countries. These laws vary among different countries and many laws have exemptions or special circumstances. Most laws apply only to drinking alcohol in public places, with alcohol consumption in the home being mostly unregulated (an exception being

1938-694: Is a commonly used coloring in the United Kingdom but is banned in Australia, Japan, Norway and the United States. Green S (E142) is prohibited in many countries, for it is known to cause hyperactivity , asthma , urticaria , and insomnia . To create green sparks, fireworks use barium salts , such as barium chlorate , barium nitrate crystals, or barium chloride , also used for green fireplace logs. Copper salts typically burn blue, but cupric chloride (also known as "campfire blue") can also produce green flames. Green pyrotechnic flares can use

2040-471: Is also defined as a social position that reflects the meanings different cultures and societies give to individuals between childhood and adulthood. The term in itself when referred to in a manner of social position can be ambiguous when applied to someone of an older age with very low social position; potentially when still dependent on their guardians. Scholars argue that age-based definitions have not been consistent across cultures or times and that thus it

2142-656: Is also sometimes associated with toxicity and poor health, but in China and most of Asia, its associations are very positive, as the symbol of fertility and happiness. Because of its association with nature, it is the color of the environmental movement . Political groups advocating environmental protection and social justice describe themselves as part of the Green movement , some naming themselves Green parties . This has led to similar campaigns in advertising, as companies have sold green, or environmentally friendly , products. Green

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2244-729: Is also the traditional color of safety and permission; a green light means go ahead, a green card permits permanent residence in the United States. The word green comes from the Middle English and Old English word grene , which, like the German word grün , has the same root as the words grass and grow . It is from a Common Germanic *gronja - , which is also reflected in Old Norse grænn , Old High German gruoni (but unattested in East Germanic ), ultimately from

2346-464: Is an autoimmune disease that occurs when pancreatic cells, also called beta cells , are destroyed by the immune system . Beta cells are responsible to produce insulin , which is required by the body to convert blood sugar into energy. Symptoms associated with T1D include frequent urination, increased hunger and thirst, weight loss, blurry vision, and tiredness. Type 2 diabetes (T2D) is characterized by high blood sugar and insulin resistance. This

2448-403: Is associated with the east, with sunrise, and with life and growth. In Thailand, the color green is considered auspicious for those born on a Wednesday (light green for those born at night). Green is the color most commonly associated in the United States and Europe with springtime, freshness, and hope. Green is often used to symbolize rebirth and renewal and immortality. In Ancient Egypt ;

2550-535: Is associated with young men from 12 to 30 or 35 years of age. Youth in Nigeria includes all members of the Federal Republic of Nigeria aged 18–35. Many African girls experience youth as a brief interlude between the onset of puberty and marriage and motherhood . But in urban settings, poor women are often considered youth much longer, even if they bear children outside of marriage. Varying culturally,

2652-513: Is blood red and pale yellow, with a green billiard table in the center, and four lamps of lemon yellow, with rays of orange and green. Everywhere it is a battle and antithesis of the most different reds and greens." In the 1980s, green became a political symbol, the color of the Green Party in Germany and in many other European countries. It symbolized the environmental movement , and also

2754-485: Is cognate with the Ancient Greek γλαυκός "bluish green", contrasting with χλωρός "yellowish green" discussed above. In modern Japanese, the term for green is 緑 , while the old term for "blue/green", blue ( 青 , Ao ) now means "blue". But in certain contexts, green is still conventionally referred to as 青, as in blue traffic light ( 青信号 , ao shingō ) and blue leaves ( 青葉 , aoba ) , reflecting

2856-561: Is considered a shade of aoi; similarly, green variants of certain fruits and vegetables such as green apples, green shiso (as opposed to red apples and red shiso) will be described with the word aoi . Vietnamese uses a single word for both blue and green, xanh , with variants such as xanh da trời (azure, lit. "sky blue"), lam (blue), and lục (green; also xanh lá cây , lit. "leaf green"). "Green" in modern European languages corresponds to about 520–570 nm, but many historical and non-European languages make other choices, e.g. using

2958-440: Is essential. Although several periods of increased risk appear in childhood, it is not clear whether obesity with onset early in childhood carries a greater risk of adult morbidity and mortality. Bullying among school-aged youth is increasingly being recognized as an important problem affecting well-being and social functioning. While a certain amount of conflict and harassment is typical of youth peer relations, bullying presents

3060-473: Is important for parents to educate themselves to support their children throughout this chapter of their lives. Structured exercises lasting longer than 60 minutes can reduce HbA1c levels and insulin dose per day. Moderate activities can increase cardiorespiratory fitness in children which is crucial for their future health. Cardiorespiratory fitness reduces the risk of other diseases, such as microvascular complications and cardiovascular diseases . To avoid

3162-417: Is legally permitted to engage in sexual activity. The distinguishing aspect of the age of consent laws is that the person below the minimum age is regarded as the victim, and their sex partner as the offender. The defense of infancy is a form of defense known as an excuse so that defendants falling within the definition of an " infant " are excluded from criminal liability for their actions , if at

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3264-462: Is marked by an individual's cultural norms or traditions , while a youth's level of dependency means the extent to which they still rely on their family emotionally and economically . Around the world, the English terms youth , adolescent , teenager , kid , youngster and young person often mean the same thing, but they are occasionally differentiated. Youth can be referred to as

3366-425: Is missing or faulty, which can cause color blindness , including the common inability to distinguish red and yellow from green, known as deuteranopia or red-green color blindness. Green is restful to the eye. Studies show that a green environment can reduce fatigue. In the subtractive color system, used in painting and color printing, green is created by a combination of yellow and blue, or yellow and cyan ; in

3468-407: Is more accurate to focus on social processes in the transition to adult independence for defining youth. Youth is the stage of constructing the self-concept . The self-concept of youth is influenced by variables such as peers, lifestyle, gender, and culture. It is a time of a person's life when their choices are most likely to affect their future. In much of sub-Saharan Africa, the term "youth"

3570-561: Is not an autoimmune disease and is mostly a result of obesity and lack of exercise. Exercise is a crucial addition to a child's everyday routine. It can increase the overall psychosocial well-being, metabolic health and cardiovascular benefits. American College of Sports Medicine recommends at least 60 minutes of moderate to vigorous intensity each day. Recommended activities include running, bicycle riding and team sports. Furthermore, at least 3 days of bone and muscle strengthening activities should be incorporated. Unfortunately, in reality

3672-482: Is rarely found in Greek art. The Romans had a greater appreciation for the color green; it was the color of Venus , the goddess of gardens, vegetables and vineyards. The Romans made a fine green earth pigment that was widely used in the wall paintings of Pompeii , Herculaneum , Lyon , Vaison-la-Romaine , and other Roman cities. They also used the pigment verdigris, made by soaking copper plates in fermenting wine. By

3774-535: Is the color between cyan and yellow on the visible spectrum . It is evoked by light which has a dominant wavelength of roughly 495–570 nm . In subtractive color systems, used in painting and color printing, it is created by a combination of yellow and cyan; in the RGB color model , used on television and computer screens, it is one of the additive primary colors , along with red and blue , which are mixed in different combinations to create all other colors. By far

3876-450: Is the minimum age established by law that a person must attain to be eligible to vote in a public election . Typically, the age is set at 18 years; however, ages as low as 16 and as high as 21 exist (see list below). Studies show that 21% of all 18-year-olds have experience with voting. This is an important right since, by voting, they can support politics selected by themselves and not only by people of older generations. Age of candidacy

3978-465: Is the color most commonly associated in Europe and the United States with nature, vivacity and life. It is the color of many environmental organizations, such as Greenpeace , and of the Green Parties in Europe. Many cities have designated a garden or park as a green space, and use green trash bins and containers. A green cross is commonly used to designate pharmacies in Europe. In China, green

4080-414: Is the minimum age at which a person can legally qualify to hold certain elected government offices. In many cases, it also determines the age at which a person may be eligible to stand for an election or be granted ballot access . The age of consent is the age at which a person is considered legally competent to consent to sexual acts , and is thus the minimum age of a person with whom another person

4182-447: Is then passed through another crystal containing potassium, titanium and phosphorus (KTP), whose non-linear properties generate light at a frequency that is twice that of the incident beam (563.5 THz); in this case corresponding to the wavelength of 532 nm ("green"). Other green wavelengths are also available using DPSS technology ranging from 501 nm to 543 nm. Green wavelengths are also available from gas lasers , including

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4284-583: Is well camouflaged. There is no green pigment in green eyes; like the color of blue eyes, it is an optical illusion; its appearance is caused by the combination of an amber or light brown pigmentation of the stroma , given by a low or moderate concentration of melanin , with the blue tone imparted by the Rayleigh scattering of the reflected light. Nobody is brought into the world with green eyes. An infant has one of two eye hues: dark or blue. Following birth, cells called melanocytes start to discharge melanin,

4386-735: The Food Safety and Standards Act of 2006 with changes to symbolism since but still maintaining the color green. In 2021, India introduced a green V to exclusively label vegan options. In the west, the V-Label , a green V designed by the European Vegetarian Union , has been used by food distributors to label vegan and vegetarian options. Youth Youth is an experience that may shape an individual's level of dependency , which can be marked in various ways according to different cultural perspectives. Personal experience

4488-457: The RGB color model , used on television and computer screens, it is one of the additive primary colors , along with red and blue, which are mixed in different combinations to create all other colors. On the HSV color wheel , also known as the RGB color wheel , the complement of green is magenta ; that is, a color corresponding to an equal mixture of red and blue light (one of the purples ). On

4590-534: The Slavic languages with zelenъ . Ancient Greek also had a term for yellowish, pale green – χλωρός , chloros (cf. the color of chlorine), cognate with χλοερός "verdant" and χλόη " chloe , the green of new growth". Thus, the languages mentioned above (Germanic, Romance, Slavic, Greek) have old terms for "green" which are derived from words for fresh, sprouting vegetation. However, comparative linguistics makes clear that these terms were coined independently, over

4692-1162: The World Health Organization (WHO). It is also shaped by the notion of adolescence that has entered everyday life in Brazil through a discourse on children's rights. The OECD defines youth as "those between 15 and 29 years of age". August 12 was declared International Youth Day by the United Nations. Children's rights cover all the rights that belong to children. When they grow up, they are granted new rights (like voting, consent, driving, etc.) and duties (criminal response, etc.). There are different minimum limits of age at which youth are not free, independent or legally competent to take some decisions or actions. Some of these limits are: voting age , age of candidacy , age of consent , age of majority , age of criminal responsibility , drinking age , driving age , etc. After youth reach these limits, they are free to vote, have sexual intercourse, buy or consume alcoholic beverages or drive cars , etc. Voting age

4794-632: The helium–neon laser (543 nm), the Argon- ion laser (514 nm) and the Krypton-ion laser (521 nm and 531 nm), as well as liquid dye lasers . Green lasers have a wide variety of applications, including pointing, illumination, surgery, laser light shows , spectroscopy , interferometry , fluorescence , holography , machine vision , non-lethal weapons , and bird control . As of mid-2011, direct green laser diodes at 510 nm and 500 nm have become generally available, although

4896-448: The 16th century was a good green dye produced, by first dyeing the cloth blue with woad, and then yellow with Reseda luteola , also known as yellow-weed. The pigments available to painters were more varied; monks in monasteries used verdigris, made by soaking copper in fermenting wine, to color medieval manuscripts. They also used finely-ground malachite, which made a luminous green. They used green earth colors for backgrounds. During

4998-781: The 1979 Convention on the Rights of the Child , those under the age of 18 are regarded as children. The UN also states they are aware that several definitions exist for youth within UN entities such as Youth Habitat 15–32 , NCSL 12-24 , and African Youth Charter 15–35. On November 11, 2020, the State Duma of the Russian Federation approved a project to raise the cap on the age of young people from 30 to 35 years (the range now extending from 14 to 35 years). Although linked to biological processes of development and aging, youth

5100-508: The English adjective orange being in origin not a color term but the name of a fruit). Thus, the Thai word เขียว kheīyw , besides meaning "green", also means "rank" and "smelly" and holds other unpleasant associations. The Celtic languages had a term for "blue/green/grey", Proto-Celtic *glasto- , which gave rise to Old Irish glas "green, grey" and to Welsh glas "blue". This word

5202-700: The Philippines, Saudi Arabia , Slovenia , the United Kingdom (Mainland) and the United States. The Canadian province of Alberta and several U.S. states permit youth driving as low as 14. Niger has the highest minimum driving age in the world at 23. In India, driving is legal after getting a license at the age of 18. The legal working age is the minimum age required by law for a person to work in each country or jurisdiction . The threshold of adulthood, or "the age of majority " as recognized or declared in law in most countries, has been set at age 18. Some types of labor are commonly prohibited even for those above

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5304-499: The RGB color model. A unique green (green appearing neither yellowish nor bluish) is produced on such a device by mixing light from the green primary with some light from the blue primary. Lasers emitting in the green part of the spectrum are widely available to the general public in a wide range of output powers. Green laser pointers outputting at 532  nm (563.5  THz ) are relatively inexpensive compared to other wavelengths of

5406-472: The UK, which has a minimum legal age of five for supervised consumption in private places). Some countries also have different age limits for different types of alcoholic drinks. Driving age is the age at which a person can apply for a driver's license . Countries with the lowest driving ages (below 17) are Argentina , Australia , Canada, El Salvador , Iceland, Israel , Macedonia , Malaysia , New Zealand ,

5508-422: The UN itself can be made between teenagers (i.e. those between the ages of 13 and 19) and young adults (those between the ages of 20 and 24). While seeking to impose some uniformity on statistical approaches, the UN is aware of contradictions between approaches in its own statutes. Hence, under the 15–24 definition (introduced in 1981) children are defined as those under the age of (someone 12 and younger) while under

5610-550: The United States. Although obesity-associated morbidities occur more frequently in adults, significant consequences of obesity as well as the antecedents of adult disease occur in obese children and adolescents. Discrimination against overweight children begins early in childhood and becomes progressively institutionalized. Obese children may be taller than their non-overweight peers, in which case they are apt to be viewed as more mature. The inappropriate expectations that result may have an adverse effect on their socialization. Many of

5712-415: The absence of blue-green distinction in old Japanese (more accurately, the traditional Japanese color terminology grouped some shades of green with blue, and others with yellow tones). In optics, the perception of green is evoked by light having a spectrum dominated by energy with a wavelength of roughly 495–570  nm . The sensitivity of the dark-adapted human eye is greatest at about 507 nm,

5814-403: The analogy to immature and unripe fruit. Examples include green cheese , a term for a fresh, unaged cheese, and greenhorn , an inexperienced person. The color green has been increasingly used by food companies, governments, and practitioners themselves to identify veganism and vegetarianism. The government of India requires food that is vegetarian to be marked with a green circle as part of

5916-417: The blue-green color is likely to be derived from small quantities of lead and water in the feldspar . Copper is the source of the green color in malachite pigments, chemically known as basic copper(II) carbonate . Verdigris is made by placing a plate or blade of copper, brass or bronze, slightly warmed, into a vat of fermenting wine, leaving it there for several weeks, and then scraping off and drying

6018-520: The bride in the Arnolfini portrait by Jan van Eyck . There were no good vegetal green dyes which resisted washing and sunlight for those who wanted or were required to wear green. Green dyes were made out of the fern , plantain , buckthorn berries, the juice of nettles and of leeks , the digitalis plant, the broom plant, the leaves of the fraxinus , or ash tree, and the bark of the alder tree, but they rapidly faded or changed color. Only in

6120-513: The cardiovascular consequences that characterize adult-onset obesity are preceded by abnormalities that begin in childhood. Hyperlipidemia , hypertension , and abnormal glucose tolerance occur with increased frequency in obese children and adolescents. The relationship of cardiovascular risk factors to visceral fat independent of total body fat remains unclear. Sleep apnea , pseudotumor cerebri , and Blount's disease represent major sources of morbidity for which rapid and sustained weight reduction

6222-579: The characteristics of youth who both bully and are bullied found that these individuals exhibit the poorest psychosocial functioning overall. Globalization and transnational flows have had tangible effects on sexual relations, identities, and subjectivities. In the wake of an increasingly globalized world order under waning Western dominance, within ideologies of modernity, civilization, and programs for social improvement, discourses on population control , ' safe sex ', and ' sexual rights '. Sex education programmes grounded in evidence-based approaches are

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6324-451: The color green, 緑 ( midori , which is derived from the classical Japanese descriptive verb midoru "to be in leaf, to flourish" in reference to trees) and グリーン ( guriin , which is derived from the English word "green"). However, in Japan, although the traffic lights have the same colors as other countries have, the green light is described using the same word as for blue, aoi , because green

6426-407: The color of the sea and the color of trees. The philosopher Democritus described two different greens: chloron , or pale green, and prasinon , or leek green. Aristotle considered that green was located midway between black, symbolizing the earth, and white, symbolizing water. However, green was not counted among the four classic colors of Greek painting – red, yellow, black and white – and

6528-954: The current term ranged from a low of 15% to 20% in some countries to a high of 70% in others. Of particular concern is frequent bullying, typically defined as bullying that occurs once a week or more. The prevalence of frequent bullying reported internationally ranges from a low of 1.9% among one Irish sample to a high of 19% in a Malta study. Research examining characteristics of youth involved in bullying has consistently found that both bullies and those bullied demonstrate poorer psychosocial functioning than their non-involved peers. Youth who bully others tend to demonstrate higher levels of conduct problems and dislike of school, whereas youth who are bullied generally show higher levels of insecurity , anxiety , depression , loneliness , unhappiness , physical and mental symptoms, and low self-esteem . Males who are bullied also tend to be physically weaker than males in general. The few studies that have examined

6630-479: The curricula. The Sangguniang Kabataan ("Youth Council" in English ), commonly known as SK, was a youth council in each barangay (village or district) in the Philippines , before being put "on hold", but not quite abolished, prior to the 2013 barangay elections . The council represented teenagers from 15 to 17 years old who have resided in their barangay for at least six months and registered to vote. It

6732-484: The early Renaissance, painters such as Duccio di Buoninsegna learned to paint faces first with a green undercoat, then with pink, which gave the faces a more realistic hue. Over the centuries the pink has faded, making some of the faces look green. The 18th and 19th centuries brought the discovery and production of synthetic green pigments and dyes, which rapidly replaced the earlier mineral and vegetable pigments and dyes. These new dyes were more stable and brilliant than

6834-693: The earthy colored shade, in the child's irises. This begins happening since melanocytes respond to light in time. Green eyes are most common in Northern and Central Europe . They can also be found in Southern Europe , West Asia , Central Asia , and South Asia . In Iceland , 89% of women and 87% of men have either blue or green eye color. A study of Icelandic and Dutch adults found green eyes to be much more prevalent in women than in men. Neolithic cave paintings do not have traces of green pigments, but neolithic peoples in northern Europe did make

6936-427: The extraction of light were selected to exploit those portions of the spectrum not used by the halobacteria. Animals typically use the color green as camouflage , blending in with the chlorophyll green of the surrounding environment. Most fish, reptiles, amphibians, and birds appear green because of a reflection of blue light coming through an over-layer of yellow pigment. Perception of color can also be affected by

7038-423: The eye more than the long-wavelength L cones. Light which triggers this greenness response more than the yellowness or blueness of the other color opponent mechanism is called green. A green light source typically has a spectral power distribution dominated by energy with a wavelength of roughly 487–570 nm. Human eyes have color receptors known as cone cells, of which there are three types. In some cases, one

7140-564: The following year, injuring the policeman who operated it. In 1912, the first modern electric traffic lights were put up in Salt Lake City , Utah . Red was chosen largely because of its high visibility, and its association with danger, while green was chosen largely because it could not be mistaken for red. Today green lights universally signal that a system is turned on and working as it should. In many video games, green signifies both health and completed objectives, opposite red. Green

7242-474: The gender constructions of youth in Latin America and Southeast Asia differ from those of sub-Saharan Africa. In Vietnam, widespread notions of youth are sociopolitical constructions for both sexes between the ages of 15 and 35. In Brazil , the term youth refers to people of both sexes from 15 to 29 years old. This age bracket reflects the influence on Brazilian law of international organizations like

7344-451: The god Osiris , king of the underworld, was depicted as green-skinned. Green as the color of hope is connected with the color of springtime; hope represents the faith that things will improve after a period of difficulty, like the renewal of flowers and plants after the winter season. Green the color most commonly associated in Europe and the United States with youth. It also often is used to describe anyone young, inexperienced, probably by

7446-579: The green powder that forms on the metal. The process of making verdigris was described in ancient times by Pliny . It was used by the Romans in the murals of Pompeii, and in Celtic medieval manuscripts as early as the 5th century AD. It produced a blue-green which no other pigment could imitate, but it had drawbacks: it was unstable, it could not resist dampness, it did not mix well with other colors, it could ruin other colors with which it came into contact, and it

7548-604: The historic color of Islam , representing the lush vegetation of Paradise . It was the color of the banner of Muhammad , and is found in the flags of nearly all Islamic countries. In surveys made in American , European, and Islamic countries , green is the color most commonly associated with nature , life , health , youth , spring , hope , and envy . In the European Union and the United States , green

7650-463: The largest cause overall. Violence accounted for 12% of male deaths. Suicide was the cause of 6% of all deaths. The U.S. Centers for Disease Control and Prevention developed its Youth Risk Behavior Surveillance System (YRBSS) in 2003 to help assess risk behavior. YRBSS monitors six categories of priority health-risk behaviors among youth and young adults. These are behaviors that contribute to unintentional injuries and violence ; YRBSS includes

7752-432: The largest contributor to green in nature is chlorophyll , the chemical by which plants photosynthesize and convert sunlight into chemical energy. Many creatures have adapted to their green environments by taking on a green hue themselves as camouflage . Several minerals have a green color, including the emerald , which is colored green by its chromium content. During post-classical and early modern Europe, green

7854-476: The likelihood for the incompletion of high school. These factors also increase the likelihood for the youth to not go to a college or university. In the United States, 12.3 percent of young people ages 16 to 24 are disconnected, meaning they are neither in school nor working. The leading causes of morbidity and mortality among youth and adults are due to certain health-risk behaviors. These behaviors are often established during youth and extend into adulthood. Since

7956-684: The lush green of rural landscapes and forests. Green was contrasted to the smoky grays and blacks of the Industrial Revolution. The second half of the 19th century saw the use of green in art to create specific emotions, not just to imitate nature. One of the first to make color the central element of his picture was the American artist James McNeill Whistler , who created a series of paintings called "symphonies" or "noctures" of color, including Symphony in gray and green; The Ocean between 1866 and 1872. The late 19th century also brought

8058-441: The more notable green minerals, however is the emerald , which is colored green by trace amounts of chromium and sometimes vanadium . Chromium(III) oxide (Cr 2 O 3 ), is called chrome green , also called viridian or institutional green when used as a pigment. For many years, the source of amazonite 's color was a mystery. Widely thought to have been due to copper because copper compounds often have blue and green colors,

8160-458: The past few millennia, and there is no identifiable single Proto-Indo-European or word for "green". For example, the Slavic zelenъ is cognate with Sanskrit harithah "yellow, ochre, golden". The Turkic languages also have jašɨl "green" or "yellowish green", compared to a Mongolian word for "meadow". In some languages, including old Chinese , Thai , old Japanese , and Vietnamese ,

8262-547: The price remains relatively prohibitive for widespread public use. The efficiency of these lasers (peak 3%) compared to that of DPSS green lasers (peak 35%) may also be limiting adoption of the diodes to niche uses. Many minerals provide pigments which have been used in green paints and dyes over the centuries. Pigments, in this case, are minerals which reflect the color green, rather that emitting it through luminescent or phosphorescent qualities. The large number of green pigments makes it impossible to mention them all. Among

8364-430: The relevant time, they had not reached an age of criminal responsibility. This implies that children lack the judgment that comes with age and experience to be held criminally responsible. After reaching the initial age, there may be levels of responsibility dictated by age and the type of offense committed. The legal drinking age is the age at which a person can consume or purchase alcoholic beverages . These laws cover

8466-638: The right to free speech and association, to due process, equality, autonomy , safety and privacy, and accountability in contracts and advertising, which regulate the treatment of students by teachers and administrators. The smoking age is the minimum age a person can buy tobacco and/or smoke in public. Most countries regulate this law at the national level while at some point it is done by the state or province. Young people spend much of their lives in educational settings, and their experiences in schools, colleges and universities can shape much of their subsequent lives. Research shows that poverty and income affect

8568-553: The risk behaviors in adulthood and youth are interrelated, problems in adulthood are preventable by influencing youth behavior. A 2004 mortality study of youth (defined in this study as ages 10–24) mortality worldwide found that 97% of deaths occurred in low to middle-income countries, with the majority in southeast Asia and sub-Saharan Africa. Maternal conditions accounted for 15% of female deaths, while HIV/AIDS and tuberculosis were responsible for 11% of deaths; 14% of male and 5% of female deaths were attributed to traffic accidents,

8670-475: The roots of the woad plant. For the ancient Egyptians, green had very positive associations. The hieroglyph for green represented a growing papyrus sprout, showing the close connection between green, vegetation, vigor and growth. In wall paintings, the ruler of the underworld, Osiris , was typically portrayed with a green face, because green was the symbol of good health and rebirth. Palettes of green facial makeup, made with malachite, were found in tombs. It

8772-459: The same power, and are very popular due to their good beam quality and very high apparent brightness. The most common green lasers use diode pumped solid state ( DPSS ) technology to create the green light. An infrared laser diode at 808 nm is used to pump a crystal of neodymium- doped yttrium vanadium oxide (Nd:YVO4) or neodymium-doped yttrium aluminium garnet (Nd:YAG) and induces it to emit 281.76 THz (1064 nm). This deeper infrared light

8874-661: The same word can mean either blue or green. The Chinese character 青 (pronounced qīng in Mandarin , ao in Japanese, and thanh in Sino-Vietnamese ) has a meaning that covers both blue and green; blue and green are traditionally considered shades of " 青 ". In more contemporary terms, they are 藍 ( lán , in Mandarin) and 綠 ( lǜ , in Mandarin) respectively. Japanese also has two terms that refer specifically to

8976-558: The second century AD, the Romans were using green in paintings, mosaics and glass, and there were ten different words in Latin for varieties of green. In the Middle Ages and Renaissance, the color of clothing showed a person's social rank and profession. Red could only be worn by the nobility, brown and gray by peasants, and green by merchants, bankers and the gentry and their families. The Mona Lisa wears green in her portrait, as does

9078-572: The surrounding environment. For example, broadleaf forests typically have a yellow-green light about them as the trees filter the light. Turacoverdin is one chemical which can cause a green hue in birds, especially. Invertebrates such as insects or mollusks often display green colors because of porphyrin pigments, sometimes caused by diet. This can causes their feces to look green as well. Other chemicals which generally contribute to greenness among organisms are flavins (lychochromes) and hemanovadin. Humans have imitated this by wearing green clothing as

9180-420: The systematic study of color theory, and particularly the study of how complementary colors such as red and green reinforced each other when they were placed next to each other. These studies were avidly followed by artists such as Vincent van Gogh . Describing his painting, The Night Cafe , to his brother Theo in 1888, Van Gogh wrote: "I sought to express with red and green the terrible human passions. The hall

9282-413: The time of life, when one is young. The meaning may in some instances also include childhood. Youth also identifies a particular mindset of attitude, as in "He is very youth ful". For certain uses, such as employment statistics, the term also sometimes refers to individuals from the ages of up to 21. However, the term adolescence refers to a specific age range during a specific developmental period in

9384-400: The vegetable dyes, but some contained high levels of arsenic , and were eventually banned. In the 18th and 19th centuries, green was associated with the romantic movement in literature and art. The German poet and philosopher Goethe declared that green was the most restful color, suitable for decorating bedrooms. Painters such as John Constable and Jean-Baptiste-Camille Corot depicted

9486-426: The walls of tombs or on papyrus, Egyptian artists used finely ground malachite , mined in the west Sinai and the eastern desert; a paintbox with malachite pigment was found inside the tomb of King Tutankhamun . They also used less expensive green earth pigment, or mixed yellow ochre and blue azurite . To dye fabrics green, they first colored them yellow with dye made from saffron and then soaked them in blue dye from

9588-433: The wavelengths that appear green to the human eye, so light reflected by plants is enriched in green. Chlorophyll absorbs green light poorly because it first arose in organisms living in oceans where purple halobacteria were already exploiting photosynthesis. Their purple color arose because they extracted energy in the green portion of the spectrum using bacteriorhodopsin . The new organisms that then later came to dominate

9690-427: The working age, if they have not reached the age of majority. Activities that are dangerous, harmful to the health or that may affect the morals of minors fall into this category. Student rights are those rights , such as civil, constitutional, contractual and consumer rights, which regulate student rights and freedoms and allow students to make use of their educational investment. These include such things as

9792-430: Was toxic . Leonardo da Vinci , in his treatise on painting, warned artists not to use it. It was widely used in miniature paintings in Europe and Persia in the 16th and 17th centuries. Its use largely ended in the late 19th century, when it was replaced by the safer and more stable chrome green . Viridian, as described above, was patented in 1859. It became popular with painters, since, unlike other synthetic greens, it

9894-629: Was a new synthetic green created by a chemist named Pannetier in Paris in about 1835. Emerald green was a synthetic deep green made in the 19th century by hydrating chrome oxide. It was also known as Guignet green. There is no natural source for green food colorings which has been approved by the US Food and Drug Administration . Chlorophyll, the E numbers E140 and E141, is the most common green chemical found in nature, and only allowed in certain medicines and cosmetic materials. Quinoline Yellow (E104)

9996-461: Was crushed, washed to remove impurities, then powdered. It was sometimes called Green of Verona. Mixtures of oxidized cobalt and zinc were also used to create green paints as early as the 18th century. Cobalt green , sometimes known as Rinman's green or zinc green, is a translucent green pigment made by heating a mixture of cobalt (II) oxide and zinc oxide. Sven Rinman , a Swedish chemist, discovered this compound in 1780. Green chrome oxide

10098-700: Was stable and not toxic. Vincent van Gogh used it, along with Prussian blue , to create a dark blue sky with a greenish tint in his painting Café Terrace at Night . Green earth is a natural pigment used since the time of the Roman Empire . It is composed of clay colored by iron oxide , magnesium , aluminum silicate , or potassium . Large deposits were found in the South of France near Nice , and in Italy around Verona , on Cyprus , and in Bohemia . The clay

10200-568: Was the color commonly associated with wealth, merchants, bankers, and the gentry, while red was reserved for the nobility. For this reason, the costume of the Mona Lisa by Leonardo da Vinci and the benches in the British House of Commons are green while those in the House of Lords are red. It also has a long historical tradition as the color of Ireland and of Gaelic culture . It is

10302-724: Was the local youth legislature in the village and therefore led the local youth program and projects of the government. The Sangguniang Kabataan was an offshoot of the KB or the Kabataang Barangay (Village Youth) which was abolished when the Local Government Code of 1991 was enacted. The vast majority of young people live in developing countries : according to the United Nations , globally around 85 per cent of 15- to 25-year-olds live in developing countries,

10404-429: Was worn by both the living and the dead, particularly around the eyes, to protect them from evil. Tombs also often contained small green amulets in the shape of scarab beetles made of malachite, which would protect and give vigor to the deceased. It also symbolized the sea, which was called the "Very Green". In Ancient Greece, green and blue were sometimes considered the same color, and the same word sometimes described

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