Until now, the human embryo has been obtained from eggs and sperm, either in utero or in the laboratory. Now, you can take cells from an adult and treat
Javier Martinez Arias, who was charged with three counts of aggravated kidnapping and one count of aggravated sexual assault in 2022, gets a new charge in 2023.
Developmental biologist Alfonso Martinez Arias believes that the emergent properties of cells, rather than the “instructions” written by genes, are the key to understanding how bodies are built
Lab-grown structures with the potential to develop into fetuses should be defined — and regulated — as embryos, some researchers say. Lab-grown structures with the potential to develop into fetuses should be defined — and regulated — as embryos, some researchers say.