Scientists push to reconsider human embryo research limits after new study By Adi Robertson on May 4, 2016 01:55 pm Email @thedextriarchy http://www.theverge.com/2016/5/4/11591318/cambridge-rockefeller-university-human-embryo-study-ethics-limit A new pair of studies have reported raising human embryos outside the womb for almost two weeks, longer than ever before. The studies, published today in Nature, raise questions about a long-standing rule that limits the lifespan […]