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 is known for his significant contributions to the field of Quantum physics, particularly his theories regarding theoretical cosmology, Quantum gravity, black holes, and his popular works in which he discusses his own theories and cosmology in general.