The craziest stuff is being planned as a new commercial startup project (archive link).
Apparently, a team of Israeli entrepreneurs is planning to grow human embryos in artificial wombs. After they grow, organs could be harvested from such infants. To avoid ethical dilemmas, human embryos will be grown without heads. No kidding. The article does not explain how growing human embryos without heads would “avoid ethical dilemmas”, leaving the reader needing to figure it out on their own.