Humans

A great ape characterized by their hairlessness, bipedalism, and high intelligence, humans have large brains, enabling more advanced cognitive skills that enable them to thrive and adapt in varied environments, develop highly complex tools, and form complex social structures and civilizations. Humans are highly social, with individual humans tending to belong to a multi-layered network of cooperating, distinct, or even competing social groups – from families and peer groups to corporations and political states.
Anatomically modern humans emerged around 300,000 years ago in Africa, evolving from Homo heidelbergensis or a similar species. The Neolithic Revolution, which began in Southwest Asia around 13,000 years ago (and separately in a few other places), saw the emergence of agriculture and permanent human settlement; in turn, this led to the development of civilization and kickstarted a period of continuous (and ongoing) population growth and rapid technological change.
At puberty, humans develop secondary sex characteristics. Humans can survive for up to eight weeks without food and several days without water. The human mind is capable of introspection, private thought, imagination, volition, and forming views on existence. Humans advanced technology has enabled them to spread to all the continents of the globe as well as to outer space, and to command profound influence on the biosphere and environment. The latter has prompted some geologists to demarcate the time from the emergence of human civilization till present as a separate geological epoch: the Anthropocene.
Human consciousness is the awareness of internal or external existence, a concept that remains a mystery and a subject of debate among philosophers and scientists. It is often associated with introspection, private thought, imagination, and volition. Consciousness can be divided into phenomenal consciousness and access consciousness, which can be used for reasoning or controlling actions. Cognitive psychology studies cognition, the mental processes underlying behavior, and developmental psychology focuses on understanding how people perceive, understand, and act within the world as they age. Psychologists have developed intelligence tests and the concept of intelligence quotient to assess human intelligence and its distribution among populations.
Category:Human
Category:Mankind