Following on its work with mouse stem cells, an Israeli biotech company is planning to start work creating embryos from human stem cells. Created without egg or sperm, the embryos are incubated in artificial wombs. The vision of the company is to use these "organized embryo entities" for possible organ and tissue transplant. Scientists can already use stem cells to create some tissues in vitro, but an embryo can make more complex organs, organs that would be resistant to rejection because they would be genetically identical to the intended recipient. Interesting science aside, this project creates a host of philosophical issues, from "what is a human?" and "what is life?" to "what are individuals allowed to do with their own cells?" and "are organs a crop that can be grown and harvested like any other?" www.technologyreview.com/2022/08/04/1056633/startup-wants-copy-you-embryo-organ-harvesting/
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