Cloning: https://www.nature.com/articles/d41586-018-01027-z What's the issue? The main issue here is the fact that the monkeys were cloned from previous monkeys. This causes an issue as if this technology is continued, human cloning could become a thing, which raises many ethical questions. Why should scientists purse it? Why should they not? Scientists should pursue this topic as If they improve their technique, they could then efficiently make clones of different animals, or humans. This could allow for transplants to become a lot easier, and faster as doctors could have cloned body parts ready that match the patient. Of course this also means that there are certain ethical questions that need to be addressed. If human cloning becomes common, and they have a 100% match with their original counterparts, then they will have functioning brains. This means that you can't just take a heart for example from them as it would kill them. They would have a consciousness and wou...