Tanner stages are a tool used by healthcare providers to evaluate development in puberty. They detail five specific stages of physical change in puberty, including genital, breast, and pubic hair ...

Sigmund Freud developed a five-stage model of human development, each stage with its own characteristics and challenges. Not only was this a useful way of viewing our growth, but he believed that ...

Scientists have created a stem cell-derived model of the human embryo in the lab by reprogramming human stem cells. The breakthrough could help research into genetic disorders and in understanding why ...

Originally published in Switzerland by S. Karger Medical Publishers, Basel, Switzerland. SCDIRB copy 39088019621895 not included in Bibliotheca Beckwithiana (unpublished). SCDIRB copy has bookplate: ...

The human brain goes through five major stages of development in its lifetime, each bringing "distinctive age-related changes", scientists have identified. Data shows there is a "non-linear change ...