Researchers have created the most detailed 3D cellular map yet of a mouse embryo, visualizing close to eight million cells 1. The map shows how cells interact and migrate in an embryo less than ...

Pictured here is a group of cells moving toward its correct final position in the tail of a forming zebrafish embryo. Cell membranes are green and the cell nuclei red. Disclaimer: AAAS and EurekAlert!

There is variability in when and how cells divide during the development of embryos. While researchers traditionally believed ...