How Scientists Unravel The Mysteries Of The Placenta by SciFri published on 2021-01-29T15:48:13Z The placenta is the only organ that can be grown temporarily and then discarded—but it’s hard to study while it’s doing its job. Genre Science Comment by dialectical integrities virus came before the placenta; egg came before the chicken 👅🍭🍭 satisfying 2021-04-01T18:13:19Z Comment by So Hr Ab It’s wonderful information , even for me, an electronic engineer...! 2021-02-01T10:14:34Z