Couvade syndrome It is considered by some to be a psychosomatic condition in which someone close to an expectant mother experiences some of her symptoms and behaviour during pregnancy (e.g. pains, breast augmentation and food cravings).
What name is given to a special day or happening, used variously over centuries to mark important days in a calendar, to mark capitals or rubrics in religious texts, or to wear particular clothing?
What name is given to fluctuations in the curvature of spacetime that were predicted to exist by Albert Einstein in 1916 on the basis of his theory of general relativity?