Those new human-pig chimeras that Salk Institute researchers came up with don't really have many human cells at all, Tabitha M. Powledge writes: "Which may be just as well, because it’s also going to take a really long time to resolve the ethical/political objections to creating the hybrids. If ever. Even though the supply of human organs available with current systems for transplant is not enough and never will be."
February 4, 2017
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