and two-cell embryos for 2 min. Preliminary studies demonstrated that a 2-min exposure (without vitrification) of one-cell embryos to the cryoprotectant solutions severely inhibited development.

At the 8-cell stage of mouse embryo development, the coordination between DNA unwinding and replication appears to improve. © ...

Now - the clever bit. The cells on the inside layer of this very early embryo can make all of the cell types needed in your body. They're called stem cells. The stem cells continue to divide by ...

Scientists have long dreamed of plucking those naive cells from a young human embryo and coaxing them to perform, in sterile isolation, the everyday miracle they perform in wombs: transforming ...

A stem-cell derived human embryo model showing blue cells (embryo), yellow cells (yolk sac) and pink cells (placenta). Scientists have grown an entity that closely resembles an early human embryo ...