Scientists Create Synthetic Mouse Embryos That Develop Brains, Beating Hearts – CNET Posted on August 31, 2022 By Charlielikes The embryo models, grown without eggs or sperm, could one day reduce the use of animals in research or supplement transplants. Tech Tags:‘synthetic’, “that, beating, billy wilkins, brains,, cnet, create, develop, embryos, hearts, mouse, scientists, tech, technology