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
As the other answerer suggested, check out the S. Hawking's series on the Discovery Channel. You will get some idea how smart he is and come to appreciate what he has had to overcome. His episodes on alien life and on time travel are compelling. #2. Stephen Hawking is a theoretical physicist specializing in quantum gravity and cosmology, with a focus on black holes.