eight photos of sythetic mouse embryos in various stages of development

For the first time, scientists have created mouse embryos in the lab without using any eggs or sperm and watched them grow outside the womb. To achieve this feat, the researchers used only stem cells and a spinning device filled with shiny glass vials.  The experiment is a “game changer,” Alfonso Martinez Arias, a developmental […]

1st synthetic mouse embryos — complete with beating hearts and brains — created with no sperm, eggs or womb — Hellbound and Down