According to this story from the BBC, regulators in the UK have approved a proposal from scientists to make human-animal embryos. They want to merge human cells with animal eggs so that they might harvest the stem cells from the embryo.
I'm all for allowing stem cell research but I get scared when we start doing things like making embryos that are half pig and half person. I think it is a dangerous path to walk down and I think we have no idea whether or not the merger will be helpful or whether the merger might spawn some awful disease we've never even considered.
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