Human development is the process of growth and change that takes place between birth and maturity. The growth and development of a child consists of a highly complex series of changes, with different …

Human growth involves not only biological development—the progressive changes in size, shape, and function during the life of an organism—but also emotional and psychological development.

Prenatal development, the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. This process can be divided into three distinct stages: the pre …

Appearing initially as a tiny mass of cells, it eventually gives rise to the fetus, an obvious human form. In the first days of the embryo’s existence, it journeys along the fallopian tube.

Jan 25, 2026 · Human evolution, the process by which human beings developed on Earth from now-extinct primates. The only extant members of the human tribe, Hominini, belong to the species Homo …

Feb 6, 2026 · The UN urges governments to consider the HDI when making policy and spending choices that could either positively or negatively affect human development. The HDI is a useful …

5 days ago · Psychological development, the development of human beings’ cognitive, emotional, intellectual, and social capabilities and functioning over the course of a normal life span, from infancy …

Jan 19, 2026 · Although the basic form of the human body was established in human anthropoid ancestors, evolutionary adaptations to different environments are apparent among various human …

As children pass through successive stages of cognitive development, their knowledge of the world assumes different forms, with each stage building on the models and concepts acquired in the …

There is a swift increase in body size, a change in shape and composition of the body, and a rapid development of the gonads, or sex glands—the reproductive organs and the characters signalling …