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71-459: It is often used to describe the longing of a maiden for her lover as the black monsoon cloud comes hanging in the summer skies, and the style is notably sung during the rainy season. Kajri derives from the word kajra or kohl , and is sung in the Awadhi and Bhojpuri regions . This article about a music genre is a stub . You can help Misplaced Pages by expanding it . This article about

142-405: A derivative of Arabic . However, these areas are not generally considered part of North Africa, but rather Southern Europe, due to their proximity to mainland Europe and their European-based cultures and religion. The Maghreb or western North Africa on the whole is believed to have been inhabited by Berbers and their ancestors since at least 10,000 B.C., while the eastern part of North Africa or

213-403: A continental scale rather than being confined to a particular corner of Africa. In September 2019, scientists reported the computerized determination, based on 260 CT scans , of a virtual skull shape of the last common human ancestor to modern humans / H. sapiens , representative of the earliest modern humans, and suggested that modern humans arose between 260,000 and 350,000 years ago through

284-701: A custom stretching from as old as the Badarian culture through to the Greco-Roman era. Although found locally, both black galena and green malachite were also imported from nearby regions in Western Asia , Coptos , and the Land of Punt . The 18th Dynasty female Pharaoh Hatshepsut would also grind charred frankincense into kohl eyeliner. This is the first recorded use of the resin. The frankincense itself had originally been obtained during an expedition to

355-613: A date of up to 1.8 million BCE. Recent finds in Jebel Irhoud in Morocco have been found to contain some of the oldest Homo sapiens remains; This suggests that, rather than arising only in East Africa around 200,000 years ago, early Homo sapiens may already have been present across the length of Africa 100,000 years earlier. According to study author Jean-Jacques Hublin, "The idea is that early Homo sapiens dispersed around

426-612: A distinctive Maghrebi ancestry formed from a mixture of Near Eastern and African ancestry, which is still found as a part of the genome of modern Northwest Africans. Later during the Neolithic , from around 7,500 years ago onwards, there was a migration into Northwest Africa of European Neolithic Farmers from the Iberian Peninsula (who had originated in Anatolia several thousand years prior), as well as pastoralists from

497-543: A legal compilation how to apply kohl to the eye, as narrated by earlier authorities. Berber and Semitic-speaking women in North Africa and the Middle East , respectively, also apply kohl to their faces. A vertical line is drawn from the bottom lip to the chin and along the bridge of the nose. Originally the line from the bottom lip to the chin showed whether a woman was married or not. This form of using kohl on

568-597: A merging of populations in East and Southern Africa . The cave paintings found at Tassili n'Ajjer , north of Tamanrasset, Algeria, and at other locations depict vibrant and vivid scenes of everyday life in central North Africa during the Neolithic Subpluvial period (about 8000 to 4000 BCE). Some parts of North Africa began to participate in the Neolithic revolution in the 6th millennium BCE, just before

639-639: A narrow fertile thread that runs along the length of the country. Sheltered valleys in the Atlas Mountains, the Nile Valley and Delta , and the Mediterranean coast are the main sources of fertile farming land. A wide variety of valuable crops including cereals, rice and cotton, and woods such as cedar and cork , are grown. Typical Mediterranean crops, such as olives, figs, dates and citrus fruits, also thrive in these areas. The Nile Valley

710-575: A second official language after Arabic. French also serves as an administrative language in Algeria, Morocco and Tunisia. The most spoken dialects are Maghrebi Arabic , a form of ancient Arabic dating back from the 8th century AD, and Egyptian Arabic . The largest and most numerous ethnic group in North Africa are the Arabs . In Algeria and Morocco, Berbers are the second largest ethnic group after

781-664: A study of kohl manufactured in Egypt and India found that a third of the samples studied contained lead, while the remaining two-thirds contained amorphous carbon, zincite , cuprite , goethite , elemental silicon or talc , hematite , minium , and organic compounds. Lead-contaminated kohl use has been linked to increased levels of lead in the bloodstream, putting its users at risk of lead poisoning (also called lead intoxication). Complications of lead poisoning include anemia , growth retardation , low IQ , convulsions , and, in severe cases, death. Anemia from lead poisoning

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852-699: A thin film of lead sulfide prepared on an indium tin oxide (ITO) substrate. The spectra showed that thin films of lead sulfide had higher absorption and lower transmittance in the UV light band, which further increases with increased deposition voltage. The drive to eliminate lead from kohl was sparked by studies in the early 1990s of preparations of kohl that found high levels of contaminants, including lead. Lead levels in commercial kohl preparations were as high as 84%. Kohl samples from Oman and Cairo, analyzed using X-ray powder diffraction and scanning electron microscopy , were found to contain galena. One decade later,

923-424: A traditional remedy. Some Indian Ayurvedic (i.e., ancient Indian herbal medicine) manufacturing companies add camphor and other medicinal herbs that are meant for eye health. In Punjabi culture , kājal is a traditional ceremonial dye predominantly worn by men around their eyes on special occasions. It is usually applied by the wife or the mother. Some people apply dots of kājal to ward off bad omens &

994-648: Is "no or scanty evidence" of human presence in the Egyptian Nile Valley during these periods, which may be due to problems in site preservation. Several scholars have argued that the African origins of the Egyptian civilisation derived from pastoral communities which emerged in both the Egyptian and Sudanese regions of the Nile Valley in the fifth millennium BCE. When Egypt entered the Bronze Age,

1065-402: Is a dark-bluish black pigment composed of lead-based compounds as well as a compound of antimony. The lead-based compounds in kohl are galena (PbS) – dark grey and gloss, laurionite (PbCl(OH)) – white, phosgenite (PbCl) 2 CO 3 ), and cerussite (PbCO 3 ) – blue. The antimony-based compound in kohl is stibnite (Sb 2 S 3 ) – blue. In January 2010, French researchers reported that

1136-518: Is a loan of the Arabic word (via Middle Latin and French; originally in the sense "powder of antimony ". The modern meaning is from the 18th century). Kohl has been worn traditionally since the Naqada III era ( c.  3100 BCE ) by Egyptians of all social classes, originally as protection against eye ailments. There was also a belief that darkening around the eyes would protect one from

1207-603: Is a significant minority of Coptic Christians . The Copts are the largest Christian denomination in the Middle East and North Africa . The Maghreb formerly had a significant Jewish population, almost all of whom emigrated to France or Israel when the North African nations gained independence. Prior to the modern establishment of Israel, there were about 500,000 Jews in Northern Africa, including both Sephardi Jews (refugees from Spain, France and Portugal from

1278-635: Is of special concern in Middle Eastern and South Asian countries where other forms of anemia are prevalent, including iron deficiency anemia (from malnutrition) and hemoglobinopathy ( sickle cell anemia , thalassemia ). These banned products are different from lead-free cosmetics that use the term "kohl" only to describe its shade or color, rather than its actual ingredients. Some modern eye cosmetics are marketed as "kohl", but are prepared differently and in accordance with relevant health standards. Eye cosmetics such as surma are recognized as one of

1349-642: Is particularly fertile and most of Egypt lives close to the river. Elsewhere, irrigation is essential to improve crop yields on the desert margins. The inhabitants of North Africa are roughly divided in a manner corresponding to the principal geographic regions of North Africa: the Maghreb , the Nile valley, and the Sahel . The countries making up North Africa all have Modern Standard Arabic as their official language. Additionally, Algeria and Morocco recognize Berber as

1420-584: The Afroasiatic language family . The Tuareg Berber languages are notably more conservative than those of the coastal cities. Over the years, Berbers have been influenced by contact with other cultures: Egyptians , Greeks , Punic people , Romans , Vandals , Arabs , Europeans , and Africans . The cultures of the Maghreb and the Sahara therefore combines Arab, indigenous Berber and African elements. In

1491-607: The Canary Islands , which are all closer or as close to the African continent than Europe. Northwest Africa has been inhabited by Berbers since the beginning of recorded history , while the eastern part of North Africa has been home to the Egyptians . In the seventh and eighth centuries, Arabs from the Arabian Peninsula swept across the region during the early Muslim conquests . The Arab migrations to

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1562-586: The Food and Drug Administration , which considers kohl unsafe for use due to its potential lead content. It is illegal to import into, or sell in, the United States. Kohl is considered unsafe partly due to risk of lead exposure. North Africa North Africa (sometimes Northern Africa ) is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for

1633-605: The Horn of Africa dates to the ancient Kingdom of Punt. Somali , Djiboutian , Ethiopian , and Eritrean women have long applied kohl ( kuul ) for cosmetic purposes, as well as to cleanse the eyes, lengthen eyelashes, and to protect the eyes from the sun's rays. Kohl is also applied in by many peoples parts of West Africa , including the Fulani , the Hausa people , the Tuareg , and

1704-484: The Levant , both of whom also significantly contributed to the ancestry of modern Northwest Africans. The proto-Berber tribes evolved from these prehistoric communities during the late Bronze - and early Iron ages. The majority of the people of the Maghreb and the Sahara regions speak varieties of Arabic and almost exclusively follow Islam. The Arabic and Berber languages are distantly related, both being members of

1775-600: The Middle Ages much of the area was loosely under the control of the Ottoman Empire . The Barbary pirates operated from the largely independent Barbary states located on the coast of North Africa. The Spanish Empire conquered several coastal cities between the 16th and 18th centuries. After the 19th century, the imperial and colonial presence of France , the United Kingdom , Spain and Italy left

1846-572: The Middle East / West Asia , a process that began with the Neolithic Revolution c.  10,000 BC and pre Dynastic Egypt. The countries of North Africa are also a major part of the Arab world . The Islamic and Arab influence in North Africa has remained dominant ever since, with the region being major part of the Muslim world . North Africa is associated with the Middle East in

1917-649: The Nile Valley has mainly been home to the Egyptians and Nubians . Ancient Egyptians record extensive contact in their Western desert with people that appear to have been Berber or proto-Berber. As the Tassili n'Ajjer and other rock art findings in the Sahara have shown, the Sahara also hosted various populations before its rapid desertification in 3500 B.C and even today continues to host small populations of nomadic trans-Saharan peoples . Laboratory examination of

1988-523: The Strait of Gibraltar , whereupon they overcame the fickle Roman defense. The loss of North Africa is considered a pinnacle point in the fall of the Western Roman Empire as Africa had previously been an important grain province that maintained Roman prosperity despite the barbarian incursions, and the wealth required to create new armies. The issue of regaining North Africa became paramount to

2059-742: The Sudan . The African Union defines the region similarly, only differing from the UN in excluding the Sudan. The Sahel , south of the Sahara Desert , can be considered as the southern boundary of North Africa. North Africa includes the Spanish cities of Ceuta and Melilla , and the plazas de soberanía . It can also be considered to include Malta , as well as other Italian, Portuguese, and Spanish regions such as Lampedusa and Lampione , Madeira , and

2130-748: The Uan Muhuggiag child mummy and Tin Hanakaten child, suggested that the Central Saharan peoples from the Epipaleolithic , Mesolithic , and Pastoral periods possessed dark skin complexions. The archaeological evidence from the Holocene period has shown that Nilo-Saharan speaking groups had populated the central and southern Sahara before the influx of Berber and Arabic speakers, around 1500 years ago, who now largely populate

2201-529: The Yoruba . In addition, it is utilized by Muslim inhabitants of the Sahel and Sahara regions. Kohl is used by both sexes, and by people of all ages during weddings, festivals, and outings. For women, kohl or black- henna is applied to the face as well in a similar manner as that practiced by communities in North Africa. In many parts of India, kohl is referred to as kājal . In Southern India ( Karnataka in particular), local tradition considers it to be

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2272-488: The hammada , a level rocky plateau without soil or sand; and the reg , a desert pavement . The Sahara covers the southern part of Algeria, Morocco and Tunisia, and most of Libya. Only two regions of Libya are outside the desert: Tripolitania in the northwest and Cyrenaica in the northeast. Most of Egypt is also desert, with the exception of the Nile River and the irrigated land along its banks. The Nile Valley forms

2343-399: The music of India is a stub . You can help Misplaced Pages by expanding it . This article about Indian dance is a stub . You can help Misplaced Pages by expanding it . Kohl (cosmetics) Kohl is an eye cosmetic , traditionally made by grinding stibnite for use similar to that of charcoal in mascara. It is widely used throughout the world, typically as eyeliner to contour or darken

2414-668: The Arab majority. Arabs constitute 70% to 80% of the population of Algeria, 92% 97% of Libya, 67% to 70% of Morocco and 98% of Tunisia's population. The Berbers comprise 20% of Algeria, 10% of Libya, 35% of Morocco and 1% of Tunisia's population. The region is predominantly Muslim with a Jewish minority in Morocco and Tunisia , and significant Christian minority—the Copts —in Egypt , Algeria , Morocco, Libya, and Tunisia. In 2001,

2485-399: The Maghreb began immediately after, which started a long process of Islamization and Arabization that has defined the cultural landscape of North Africa ever since. Many but not all Berbers and Egyptians gradually merged into Arab - Islamic culture . The countries and people of North Africa share a large amount of their genetic, ethnic, cultural and linguistic identity and influence with

2556-514: The Maghreb remained focused on small-scale subsistence in small, highly mobile groups. Some Phoenician and Greek colonies were established along the Mediterranean coast during the 7th century BCE. The most notable nations of antiquity in western North Africa are Carthage , Numidia and Mauretania . The Phoenicians colonized much of North Africa including Carthage and parts of present-day Morocco (including Chellah , Essaouira and Volubilis ). The Carthaginians were of Phoenician origin, with

2627-633: The Renaissance era) as well as indigenous Mizrahi Jews . Today, less than 3,000 remain in the region, almost all in Morocco and Tunisia, and are mostly part of a French-speaking urban elite. (See Jewish exodus from Arab and Muslim countries .) Due to the recent African origin of modern humans , the history of Prehistoric North Africa is important to the understanding of pre-hominid and early modern human history in Africa. Some researchers have postulated that North Africa rather than East Africa served as

2698-554: The Roman myth of their origin being that Dido , a Phoenician princess, was granted land by a local ruler based on how much land she could cover with a piece of cowhide. She ingeniously devised a method to extend the cowhide to a high proportion, thus gaining a large territory. She was also rejected by the Trojan prince Aeneas according to Virgil , thus creating a historical enmity between Carthage and Rome , as Aeneas would eventually lay

2769-633: The Romans, resulting in the Carthaginian North African territories becoming the Roman province of Africa in 146 B.C. This led to tension and eventually conflict between Numidia and Rome. The Numidian wars are notable for launching the careers of both Gaius Marius , and Sulla , and stretching the constitutional burden of the Roman republic as Marius required a professional army, something previously contrary to Roman values, to overcome

2840-420: The Sahara in the modern era. After migrating to North Africa in the 1st millennium BC, Semitic Phoenician settlers from the Levant established over 300 coastal colonies throughout the region and built a powerful empire that controlled most of the region from the 8th century BC until the middle of the 2nd century BC. Several waves of Arab migrations to the Maghreb began in the 7th century, including

2911-444: The Sahara, the distinction between sedentary oasis inhabitants and nomadic Bedouin Arabs and Tuaregs is particularly marked. Egyptians over the centuries have shifted their language from Egyptian (in its late form, varieties of Coptic ) to modern Egyptian Arabic while retaining a sense of national identity that has historically set them apart from other people in the region. Most Egyptians are Sunni Muslim , although there

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2982-696: The Western Empire, but was frustrated by Vandal victories. The focus of Roman energy had to be on the emerging threat of the Huns . In 468 AD, the Romans made one last serious attempt to invade North Africa but were repelled. This perhaps marks the point of terminal decline for the Western Roman Empire . The last Roman emperor was deposed in 476 by the Heruli general Odoacer . Trade routes between Europe and North Africa remained intact until

3053-463: The ancient Land of Punt in this New Kingdom dynasty ( c. 1500 BCE). Cosmetic ingredients such as cinnamon bark and other spice components – used for fragrances – alongside copper kohl sticks were exported from the towns of Pomparippu and Kadiramalai-Kandarodai in Tamraparni (ancient Sri Lanka) to ancient Egypt. Additionally, the pioneering Muslim scholar ibn Abi Shaybah described in

3124-525: The coming of Islam. Some Berbers were members of the Early African Church (but evolved their own Donatist doctrine ), some were Berber Jews , and some adhered to traditional Berber religion . African pope Victor I served during the reign of Roman emperor Septimius Severus . Furthermore, during the rule of the Romans, Byzantines, Vandals, Ottomans and Carthaginians the Kabyle people were

3195-438: The continent and elements of human modernity appeared in different places, and so different parts of Africa contributed to the emergence of what we call modern humans today." Early humans may have comprised a large, interbreeding population dispersed across Africa whose spread was facilitated by a wetter climate that created a "green Sahara", around 330,000 to 300,000 years ago. The rise of modern humans may thus have taken place on

3266-573: The eleventh century, a reformist movement made up of members that called themselves the Almoravid dynasty expanded south into Sub-Saharan Africa . North Africa's populous and flourishing civilization collapsed after exhausting its resources in internal fighting and suffering devastation from the invasion of the Banu Sulaym and Banu Hilal . Ibn Khaldun noted that the lands ravaged by Banu Hilal invaders had become completely arid desert. After

3337-721: The entirety of the region under one form of European occupation. In World War II from 1940 to 1943 the area was the setting for the North African Campaign . During the 1950s and 1960s all of the North African states gained independence. There remains a dispute over Western Sahara between Morocco and the Algerian -backed Polisario Front . The wider protest movement known as the Arab Spring began with revolutions in Tunisia and Egypt which ultimately led to

3408-465: The evil eye ( nazar ). Kohl is also an integral part of Bharatanatyam and Odissi dances in India. The dancers apply kohl heavily to their eyes so as to draw attention to their eye gestures and movement. Preparation of homemade kohl holds importance to many people across the world. It traditionally involves burning sandalwood paste with cloth wicks and castor oil, collecting the soot, and adding fat to

3479-535: The exit point for the modern humans who first trekked out of the continent in the Out of Africa migration. The earliest inhabitants of central North Africa have left behind significant remains: early remnants of hominid occupation in North Africa, for example, were found in Ain el Hanech, near Saïda ( c.  200,000 BCE ); in fact, more recent investigations have found signs of Oldowan technology there, and indicate

3550-616: The eyelids. The content of kohl and various ways to prepare it differ based on tradition and country. Several studies have questioned the safety of kohl due to the dangers of lead poisoning. Importing kohl into the United States is banned. The Arabic name كحل kuḥl formed the Arabic root k-ḥ-l , "to apply kohl". Transliteration variants of Arabic dialectal pronunciation include kohl or kuhl . The Arabic word cognates with Syriac-Aramaic word כוחלא / ܟܘܚܠܐ kuḥla . Both words derived from Akkadian 𒎎𒋆𒁉𒍣𒁕 guẖlu(m) meaning stibnite . The English word alcohol

3621-441: The eyes. Indeed, kohl was used as both an cosmetic eyeliner and a medicinal. There are a number of endemic ocular diseases in the Nile region including trachoma – which is caused by a chlamydial bacterium and can cause corneal scarring – and conjunctival cicatricial disease, with resulting visual loss. Kohl was used not only as a cosmetic but also as a medicinal collyrium (from Greek kollurion ). Two of kohl's lead compounds –

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3692-418: The face originated from the Arabian Peninsula , and was introduced in the seventh century to North Africa. Kohl has also been used in Yemen as a cosmetic for a long time. In addition, mothers would apply kohl to their infants' eyes soon after birth. Some did this to "strengthen the child's eyes", and others believed it could prevent the child from being cursed by the evil eye . Usage of kohl eye paint in

3763-411: The foundations for Rome. Ancient Carthage was a commercial power and had a strong navy, but relied on mercenaries for land soldiers. The Carthaginians developed an empire in the Iberian Peninsula , Malta , Sardinia , Corsica and northwest Sicily , the latter being the cause of First Punic War with the Romans . Over a hundred years and more, all Carthaginian territory was eventually conquered by

3834-428: The harsh rays of the sun. Galena eye paint (later termed Kohl in Arabic from the Akkadian word for the cosmetic) was widely applied in ancient Egypt . Upper eyelids were painted black and lower ones were colored green, as depicted in ancient texts that describe the use of both black galena and green malachite . Ancient graves from the prehistoric Tasian culture point to the early application of galena in Egypt,

3905-461: The important sources of lead exposure in Pakistan. As adverse health effects of heavy metals are a public health concern, where especially lead may cause negative health impacts to human fetal and infantile development, a study in Pakistan of pregnant women's nails in 2016, showed 13 nail samples out of 84 analyzed contained lead concentrations exceeding the 13.6 μg/g found in a fatal case of lead poisoning. (The possibility of an external contamination

3976-437: The lead chlorides laurionite and phosgenite – were not natural to the Nile valley. It is believed they were intentionally synthesized by the ancient Egyptians for this purpose. The widespread use of kohl across the Mediterranean and the Middle East attests to its ability to protect the eye from infectious disease and as well as being used as a cosmetic. In the United States, kohl is not on the list of color additives approved by

4047-417: The migration of the Banu Hilal and the Banu Sulaym westward into the Maghreb in the eleventh century, which introduced Arab culture and language to the countryside. Historians mark their movement as a critical moment in the Arabization of North Africa. As Arab nomads spread, the territories of the local Berber tribes were moved and shrank. The Zenata were pushed to the west and the Kabyles were pushed to

4118-482: The north. The Berbers took refuge in the mountains whereas the plains were Arabized. This heavily shifted the demographics of the Maghreb. The trans-Saharan slave trade resulted in increased levels of sub-Saharan African ancestry in North Africa. The Haratin are commonly perceived as an endogamous group of former slaves or descendants of slaves. DNA studies of Iberomaurusian peoples at Taforalt , Morocco dating to around 15,000 years ago have found them to have

4189-417: The number of Christians in North Africa was estimated at 9 million, the majority of whom live in Egypt, with the remainder live in Maghreb countries. The inhabitants of the Spanish Canary Islands are of mixed Spanish and North African Berber ancestry, and the people of Malta are of primarily Southern Italian/Sicilian, as well as, to a lesser extent, North African and Middle Eastern ancestry and speak

4260-485: The only or one of the few in North Africa who remained independent. The Kabyle people were incredibly resistible so much so that even during the Arab conquest of North Africa they still had control and possession over their mountains. The early Muslim conquests included North Africa by 640. By 700, most of North Africa had come under Muslim rule. Indigenous Berbers subsequently started to form their own polities in response in places such as Fez and Sijilmasa . In

4331-406: The particular heavy eye makeup that ancient Egyptians wore may have had medical benefits. At submicromolar concentrations, the specially-made lead compounds can elicit overproduction of nitric oxide (NO), which in turn can trigger an enhancement of the immune response. The ancient Egyptians, documented in the Ebers Papyrus ( c. 1550 BCE), discuss these compounds within kohl as protective for

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4402-412: The rapid desertification of the Sahara around 3500 B.C. largely due to a tilt in the Earth's orbit. It was during this period that domesticated plants and animals were introduced in the region, spreading from the north and east to the southwest. There has been an inferred connection between areas of rapid drying and the introduction of livestock in which the natural (orbital) aridification was amplified by

4473-448: The realm of geopolitics to form the Middle East-North Africa region. North Africa has three main geographic features: the Sahara desert in the south, the Atlas Mountains in the west, and the Nile River and delta in the east. The Atlas Mountains extend across much of northern Algeria , Morocco , and Tunisia . These mountains are part of the fold mountain system that also runs through much of Southern Europe . They recede to

4544-486: The region, and it is sometimes defined as stretching from the Atlantic shores of the Western Sahara in the west, to Egypt and Sudan's Red Sea coast in the east. The most common definition for the region's boundaries includes Algeria , Egypt , Libya , Morocco , Tunisia , and Western Sahara , the territory disputed between Morocco and the partially recognized Sahrawi Arab Democratic Republic . The United Nations ' definition includes all these countries as well as

4615-427: The same time, a number of research studies and reports have also been published refuting any such links to increased blood lead levels upon kohl application. A group of researchers in China tried to find some scientific basis of this claimed property of lead sulfide (galena) relating to absorption of sun rays when applied into the eyes in the form of kohl. The authors reported the ultraviolet (UV) absorption spectra of

4686-481: The soot from various nuts, seeds, and gum resins are often added to the carbon powder. The non-lead products are considered to be of inferior quality to the older, traditional varieties, and so there has been an increase in the use of handmade, lead-based kohl. For decades, various conflicting reports in the literature have been published relating to kohl application to eyes being responsible for causing higher blood lead concentration, which may cause lead poisoning. At

4757-477: The soot. The ingredients used in the homemade preparation of kohl are believed by local peoples to have medicinal properties. They are still used in Indian therapies like ayurveda and Siddha medicines. The content of kohl and the recipes to prepare it vary greatly. In North Africa and the Middle East, homemade kohl is often made by grinding galena ( lead sulfide ). Western manufacturers use amorphous carbon or organic charcoal instead of lead. Plant oils and

4828-597: The south and east, becoming a steppe landscape before meeting the Sahara desert, which covers more than 75 percent of the region. The tallest peaks are in the High Atlas range in south-central Morocco, which has many snow-capped peaks. South of the Atlas Mountains is the dry and barren expanse of the Sahara desert, the largest sand desert in the world. In places the desert is cut by irregular watercourses called wadis —streams that flow only after rainfall but are usually dry. The Sahara's major landforms include ergs , large seas of sand that sometimes form into huge dunes ;

4899-442: The spread of shrubs and open land due to grazing. Nevertheless, changes in northern Africa's ecology after 3500 BCE provided the backdrop for the formation of dynastic civilizations and the construction of monumental architecture such as the Pyramids of Giza . Archaeological evidence has attested that population settlements occurred in Nubia as early as the Late Pleistocene era and from the 5th millennium BC onwards, whereas there

4970-406: The talented military leader Jugurtha . Kingdom of Mauretania remained independent until being annexed to the Roman Empire by Emperor Claudius in 42 AD. North Africa remained a part of the Roman Empire, producing notable citizens, including Augustine of Hippo , until incompetent leadership from Roman commanders in the early fifth century allowed the Germanic peoples , the Vandals , to cross

5041-416: Was excluded.) The observations showed that lead-containing surma consists of fine particles of galena (ore of lead sulfide ) in a respirable dust range (less than 10 μm), and relative in vitro bioavailability of lead in the surma was determined as 5.2%. Thus, lead-containing surma consists of inhalable and bioavailable particles, and it contributes to an increased risk of lead exposure. "Blue" kohl

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