Listen to more stories on the Noa app. The little clump of cells looked almost like a human embryo. Created from stem cells, without eggs, sperm, or a womb, the embryo model had a yolk sac and a proto ...

Human settlements are the foundation of human existence, shaping how we live, work, and connect with each other and the environment. From the earliest tribal encampments to the bustling metropolises ...

The Human Development Index (HDI) is a summary measure of average achievement in key dimensions of human development: a long ...