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The human brain perceives the external world through the senses, and each individual human is influenced greatly by his or her experiences, leading to subjective views of existence and the passage of time. [312] The nature of thought is central to psychology and related fields.
In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of human prehistory and history for the human population to reach a billion and only 218 more years to reach 8 billion.
The current world population growth is approximately 1.09%. [5] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [5] The world's literacy rate has increased dramatically in the last 40 years, from 66.7% in 1979 to 86.3% today. [13]
These scores are mainly calculated from the Gallup World Poll, where around 100,000 people in 130 countries are asked to score their lives on a scale of zero to 10 – zero being the worst ...
Anthropocentrism tends to interpret the world in terms of human values and experiences. [4] It is considered to be profoundly embedded in many modern human cultures and conscious acts. It is a major concept in the field of environmental ethics and environmental philosophy , where it is often considered to be the root cause of problems created ...
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.
Human taxonomy is the classification of the human species within zoological taxonomy. The systematic genus , Homo , is designed to include both anatomically modern humans and extinct varieties of archaic humans .
Likewise, our 'end' is to become a fully actualized human being (including fully actualizing the mind). Aristotle suggests that the human intellect ( νοῦς , noûs ), while "smallest in bulk", is the most significant part of the human psyche and should be cultivated above all else. [ 20 ]