One hypothesis for how autism develops is excessive neuron production in the prenatal period, leading to a transient but significant increase in brain size in the first few years of life in about ...

Just a few weeks after conception, stem cells are already orchestrating the future structure of the human brain. A new Yale-led study shows that, early in development, molecular “traffic cops” known ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that ...

Scientists at the University of Cambridge have developed embryo-like structures from stem cells that produce human blood ...

The first few days of a human embryo’s development, known as pre-implantation, are important. It’s when the first cells are formed, and these decide if the embryo can survive, how it will implant in ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The ...

Researchers in Barcelona have, for the first time, recorded a human embryo embedding itself into the uterus in real time and in 3D, revealing the surprisingly forceful and invasive process that is ...

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...