When does a human embryo have the moral status of a person?
Research on embryos is fast-evolving, as science pushes forward and questions of morality continue to arise. David Cox, an experienced science journalist and commenter, chimes in the controversial debate surrounding the cultivation of embryos in research labs. The '14-day' rule — a legal and ethical guideline that prohibited scientists from sustaining human embryos in the lab beyond 14 days — has been in place since 1979, but it's starting to feel outdated. In Psyche magazine, Cox explores why.