Scientists have grown a human embryo-like structure in a lab which replicates very early human development - including the production of blood stem cells. The lab-grown embryo model could help ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A microscope image of a 9-day-old human embryo. The scale bar corresponds to 100 µm. | Credit: ...

A confocal microscopy image of a nine-day-old human embryo, with specific proteins and cellular structures colored distinctively. Green relates to embryonic stem cells and magenta associates with ...