The new device from the University of Michigan team enables scientists to rapidly produce large numbers of “embryo-like” structures. Human stem cells are first placed into the device; then chemicals are added to adjoining wells that stimulate the cells to grow key structures of human embryos.

The new device from the University of Michigan team enables scientists to rapidly produce large numbers of “embryo-like” structures. Human stem cells are first placed into the device; then chemicals are added to adjoining wells that stimulate the cells to grow key structures of human embryos.