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Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers . They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.
Fertilization is the fusing of the gametes; a sperm cell and an ovum (egg cell) fuse to form a single-cell zygote.This is the beginning of the diploid phase of the human life cycle after two genetically unique haploid cells created via meiosis and chromosomal translocation combine their DNA and begin to develop into a multi-cellular organism.
The word person is often used interchangeably with human, but philosophical debate exists as to whether personhood applies to all humans or all sentient beings, and further if a human can lose personhood (such as by going into a persistent vegetative state). [13]
A person is recognized by law as such, not because they are human, but because rights and duties are ascribed to them. The person is the legal subject or substance of which the rights and duties are attributes. An individual human being considered to be having such attributes is what lawyers call a "natural person". [26]
A Proto-Sino-Tibetan r-mi(j)-n gives rise to Old Chinese /*miŋ/, modern Chinese 民 mín ' people ' and to Tibetan མི mi ' person, human being '. In some tribal or band societies , the local endonym is indistinguishable from the word for ' men, human beings ' .
Human behavior is the potential and expressed capacity (mentally, physically, and socially) of human individuals or groups to respond to internal and external stimuli throughout their life. Behavior is driven by genetic and environmental factors that affect an individual.
Title page. Essays on the active powers of the human mind is a book written by the Scottish philosopher Thomas Reid.The first edition was published in 1788 in Edinburgh.It is the third and last volume in a collection of his essays on the powers of the human mind and was preceded by the first book: Inquiry into the Human Mind on the Principles of Common Sense (1764), in which Reid focussed on ...
Human nature comprises the fundamental dispositions and characteristics—including ways of thinking, feeling, and acting—that humans are said to have naturally. The term is often used to denote the essence of humankind, or what it 'means' to be human. This usage has proven to be controversial in that there is dispute as to whether or not ...