The National Institutes of Health announced Thursday that it will lift a funding moratorium for experiments that involve injecting human stem cells into animal embryos. Researchers hope to grow human tissues or organs in animals for use in disease research. The NIH imposed the moratorium in September over ethical issues and concerns that scientists could inadvertently create animals with partially human brains or human consciousness. Forum discusses the promise and potential risks of using chimeras in research.
NIH to Lift Ban on Funding Part-Human, Part-Animal Embryo Creation (KQED Science)