First-Ever 'Synthetic Embryo' Developed Entirely Using Stem Cells From Mice

Stem cells can be used to create a "synthetic embryo" without using a sperm, eggs, or a womb, according to scientists. Researchers at the Weizmann Institute of Science were able to create an artificial embryo using only stem celll from mice. These synthetic embryos grew normally until day 8.5 when the early organ progenitors are formed such as heartbeat, blood stem ce...

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