Nova (stylized NOVÎ») is an American popular science television series produced by WGBH Boston. It is broadcast on Public Broadcasting Service (PBS) in the U.S., and in more than 100 other countries. The series has won many major television awards.Nova often includes interviews with scientists doing research in the subject areas covered and occasionally includes footage of a particular discovery.t is broadcast on Public Broadcasting Service (PBS) in the U.S., and in more than 100 other countries. The series has won many major television awards. Nova often includes interviews with scientists doing research in the subject areas covered and occasionally includes footage of a particular discovery.
So deflation exerts a depressing effect on spending by raising debt burdens â which, as Fisher also points out, can lead to another kind of vicious circle, in which depressed spending because of rising real debt leads to further deflation.
Back to Top Causes. Muscles, ligaments, and other structures hold the uterus in the pelvis. If these tissues are weak or stretched, the uterus drops into the vaginal canal. This is called prolapse. This condition is more common in women who have had one or more vaginal births. Other things that can cause or lead to uterine prolapse include: 1  Normal aging. 2  Lack of estrogen after menopause.