Humans have long been able to create a human embryo via in vitro fertilization, or combining egg and sperm in a test tube and then inserting those back into the mother for maturation. BuHowever, in a ...

A growing body of work suggests that cell metabolism — the chemical reactions that provide energy and building materials — ...

Bugg’s dismissal of the case comes during a growing national debate on whether fetuses are human. Seven states have defined embryos, fertilized eggs or fetuses as a “person,” “human being ...