The location of the first humans on earth


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Human evolution

Within economics, motivation is often seen to be based on incentives ; these may be financial, moral, or coercive. Religions generally posit divine or demonic influences. Happiness, or the state of being happy, is a human emotional condition. The definition of happiness is a common philosophical topic. Some people might define it as the best condition that a human can have—a condition of mental and physical health.

Others define it as freedom from want and distress ; consciousness of the good order of things; assurance of one's place in the universe or society. Emotion has a significant influence on, or can even be said to control, human behavior, though historically many cultures and philosophers have for various reasons discouraged allowing this influence to go unchecked.

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Emotional experiences perceived as pleasant , such as love, admiration , or joy , contrast with those perceived as unpleasant , like hate , envy , or sorrow. There is often a distinction made between refined emotions that are socially learned and survival oriented emotions, which are thought to be innate.

Human exploration of emotions as separate from other neurological phenomena is worthy of note, particularly in cultures where emotion is considered separate from physiological state. In some cultural medical theories emotion is considered so synonymous with certain forms of physical health that no difference is thought to exist. The Stoics believed excessive emotion was harmful, while some Sufi teachers felt certain extreme emotions could yield a conceptual perfection, what is often translated as ecstasy.

In modern scientific thought, certain refined emotions are considered a complex neural trait innate in a variety of domesticated and non-domesticated mammals. These were commonly developed in reaction to superior survival mechanisms and intelligent interaction with each other and the environment; as such, refined emotion is not in all cases as discrete and separate from natural neural function as was once assumed.

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However, when humans function in civilized tandem, it has been noted that uninhibited acting on extreme emotion can lead to social disorder and crime. For humans, sexuality has important social functions: it creates physical intimacy, bonds and hierarchies among individuals, besides ensuring biological reproduction. Sexual desire or libido , is experienced as a bodily urge, often accompanied by strong emotions such as love, ecstasy and jealousy.

The significance of sexuality in the human species is reflected in a number of physical features among them hidden ovulation , the evolution of external scrotum and among great apes a relatively large penis suggesting sperm competition in humans , the absence of an os penis , permanent secondary sexual characteristics and the forming of pair bonds based on sexual attraction as a common social structure.

Contrary to other primates that often advertise estrus through visible signs, human females do not have a distinct or visible signs of ovulation, plus they experience sexual desire outside of their fertile periods. These adaptations indicate that sexuality in humans serves purposes beyond simple reproduction, and that the complex human sexual behavior has a long evolutionary history.

Human choices in acting on sexuality are commonly influenced by cultural norms which vary widely. Restrictions are often determined by religious beliefs or social customs.

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Oldest known human fossil outside Africa discovered in Israel

For Alfred Kinsey , an influential sex researcher, people can fall anywhere along a continuous scale of sexual orientation. Humans are highly social beings and tend to live in large complex social groups. More than any other creature, humans are capable of using systems of communication for self-expression, the exchange of ideas, and organization , and as such have created complex social structures composed of many cooperating and competing groups.

Human groups range from the size of families to nations. Social interactions between humans have established an extremely wide variety [ clarification needed ] of values, social norms, and rituals, which together form the basis of human society. Culture is defined here as patterns of complex symbolic behavior, i. While many species communicate , language is unique to humans, a defining feature of humanity, and a cultural universal. Unlike the limited systems of other animals, human language is open—an infinite number of meanings can be produced by combining a limited number of symbols.

"First human" discovered in Ethiopia - BBC News

Human language also has the capacity of displacement , using words to represent things and happenings that are not presently or locally occurring, but reside in the shared imagination of interlocutors. Language is central to the communication between humans, and to the sense of identity that unites nations, cultures and ethnic groups. The invention of writing systems at least five thousand years ago allowed the preservation of language on material objects, and was a major technological advancement.

The science of linguistics describes the structure and function of language and the relationship between languages. There are approximately six thousand different languages currently in use, including sign languages , and many thousands more that are extinct. The sexual division of humans into male, female, and in some societies other genders [] has been marked culturally by a corresponding division of roles, norms, practices , dress, behavior, rights, duties , privileges , status , and power.

Cultural differences by gender have often been believed to have arisen naturally out of a division of reproductive labor; the biological fact that women give birth led to their further cultural responsibility for nurturing and caring for children. Gender roles have varied historically, and challenges to predominant gender norms have recurred in many societies. All human societies organize, recognize and classify types of social relationships based on relations between parents and children consanguinity , and relations through marriage affinity. These kinds of relations are generally called kinship relations.

In most societies kinship places mutual responsibilities and expectations of solidarity on the individuals that are so related, and those who recognize each other as kinsmen come to form networks through which other social institutions can be regulated. Among the many functions of kinship is the ability to form descent groups , groups of people sharing a common line of descent, which can function as political units such as clans.

Another function is the way in which kinship unites families through marriage, forming kinship alliances between groups of wife-takers and wife-givers. Such alliances also often have important political and economical ramifications, and may result in the formation of political organization above the community level. Kinship relations often includes regulations for whom an individual should or shouldn't marry. All societies have rules of incest taboo , according to which marriage between certain kinds of kin relations are prohibited—such rules vary widely between cultures.

Rules and norms for marriage and social behavior among kinsfolk is often reflected in the systems of kinship terminology in the various languages of the world. In many societies kinship relations can also be formed through forms of co-habitation, adoption, fostering, or companionship, which also tends to create relations of enduring solidarity nurture kinship. Humans often form ethnic groups, such groups tend to be larger than kinship networks and be organized around a common identity defined variously in terms of shared ancestry and history, shared cultural norms and language, or shared biological phenotype.

Such ideologies of shared characteristics are often perpetuated in the form of powerful, compelling narratives that give legitimacy and continuity to the set of shared values. Ethnic groupings often correspond to some level of political organization such as the band , tribe , city state or nation. Although ethnic groups appear and disappear through history, members of ethnic groups often conceptualize their groups as having histories going back into the deep past.

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Such ideologies give ethnicity a powerful role in defining social identity and in constructing solidarity between members of an ethno-political unit. This unifying property of ethnicity has been closely tied to the rise of the nation state as the predominant form of political organization in the 19th and 20th centuries.

Society is the system of organizations and institutions arising from interaction between humans. Within a society people can be divided into different groups according to their income, wealth, power , reputation , etc.

Recognition of the state's claim to independence by other states, enabling it to enter into international agreements, is often important to the establishment of its statehood. The "state" can also be defined in terms of domestic conditions, specifically, as conceptualized by Max Weber , "a state is a human community that successfully claims the monopoly of the 'legitimate' use of physical force within a given territory.

Government can be defined as the political means of creating and enforcing laws; typically via a bureaucratic hierarchy. Politics is the process by which decisions are made within groups; this process often involves conflict as well as compromise. Although the term is generally applied to behavior within governments, politics is also observed in all human group interactions, including corporate, academic, and religious institutions.

Many different political systems exist, as do many different ways of understanding them, and many definitions overlap. Examples of governments include monarchy, Communist state , military dictatorship , theocracy , and liberal democracy , the last of which is considered dominant today. All of these issues have a direct relationship with economics. Trade is the voluntary exchange of goods and services, and is a form of economic activity.

A mechanism that allows trade is called a market. Modern traders instead generally negotiate through a medium of exchange , such as money. As a result, buying can be separated from selling, or earning. Because of specialization and division of labor , most people concentrate on a small aspect of manufacturing or service, trading their labor for products. Trade exists between regions because different regions have an absolute or comparative advantage in the production of some tradable commodity, or because different regions' size allows for the benefits of mass production.

Economics is a social science which studies the production, distribution, trade, and consumption of goods and services. Economics focuses on measurable variables, and is broadly divided into two main branches: microeconomics , which deals with individual agents, such as households and businesses, and macroeconomics, which considers the economy as a whole, in which case it considers aggregate supply and demand for money, capital and commodities. Aspects receiving particular attention in economics are resource allocation , production, distribution, trade, and competition. Economic logic is increasingly applied to any problem that involves choice under scarcity or determining economic value.

War is a state of organized armed conflict between states or non-state actors. War is characterized by the use of lethal violence against others—whether between combatants or upon non-combatants —to achieve military goals through force.

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Lesser, often spontaneous conflicts, such as brawls, riots , revolts , and melees , are not considered to be warfare. Revolutions can be nonviolent or an organized and armed revolution which denotes a state of war. During the 20th century, it is estimated that between and million people died as a result of war. A war between internal elements of a state is a civil war.

There have been a wide variety of rapidly advancing tactics throughout the history of war, ranging from conventional war to asymmetric warfare to total war and unconventional warfare. Techniques include hand to hand combat , the use of ranged weapons , naval warfare , and, more recently, air support.

Military intelligence has often played a key role in determining victory and defeat. Propaganda, which often includes information, slanted opinion and disinformation, plays a key role both in maintaining unity within a warring group and in sowing discord among opponents. In modern warfare , soldiers and combat vehicles are used to control the land, warships the sea, and aircraft the sky.

These fields have also overlapped in the forms of marines , paratroopers , aircraft carriers , and surface-to-air missiles , among others. Satellites in low Earth orbit have made outer space a factor in warfare as well through their use for detailed intelligence gathering; however, no known aggressive actions have been taken from space. Stone tools were used by proto-humans at least 2. Since then, humans have made major advances, developing complex technology to create tools to aid their lives and allowing for other advancements in culture.

Major leaps in technology include the discovery of agriculture—what is known as the Neolithic Revolution , and the invention of automated machines in the Industrial Revolution. Archaeology attempts to tell the story of past or lost cultures in part by close examination of the artifacts they produced. Early humans left stone tools , pottery , and jewelry that are particular to various regions and times.

the location of the first humans on earth The location of the first humans on earth
the location of the first humans on earth The location of the first humans on earth
the location of the first humans on earth The location of the first humans on earth
the location of the first humans on earth The location of the first humans on earth
the location of the first humans on earth The location of the first humans on earth
the location of the first humans on earth The location of the first humans on earth
the location of the first humans on earth The location of the first humans on earth
the location of the first humans on earth The location of the first humans on earth
The location of the first humans on earth

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