In IVF treatment, embryos are traditionally transferred in the uterus three days after fertilization. Due to improvements in laboratory techniques, this is now also possible after five days. It was ...

Researchers have used naïve pluripotent stem cells to create an embryo model that looks and acts like a natural human embryo. They say it’s an ethical way of gaining a better understanding of ...

Researchers have used stem cells to develop new human embryolike structures that model the earliest stages of fetal development so realistically that they even secrete hormones that can turn a lab ...

Although the Human Genome Project announced the completed sequencing of 20,000 human genes more than 20 years ago, scientists are still working to grasp how fully formed beings emerge from basic ...

The dialogue findings provide an initial snapshot of public opinion on human embryo research, and that of stem cell embryo models, and aim to inform future public consultation, policy development and ...