A morcellator is a surgical instrument used for division and removal of large masses of tissues during laparoscopic surgery. In laparoscopic hysterectomy the uterus is minced up, or morcellated, into smaller pieces inside the woman's belly cavity in order to extract from the abdomen.
What disease does Steven Hawking suffer from? He has a muscular dystrophy cognate to amyotrophic lateral sclerosis (ALS), the latter being also known as Lou Gehrig's disease. Edit
Stephen Hawking - Fields of Study. Hawking's major research is in the areas of theoretical cosmology, focusing on the evolution of the universe as governed by the laws of general relativity. He is most well known for his work in the study of black holes.