A major effect of long-term weightlessness involves the loss of bone and muscle mass. Without the effects of gravity, skeletal muscle is no longer required to maintain posture and the muscle groups used in moving around in a weightless environment differ from those required in terrestrial locomotion.
Marina /ma-ri-na/ [3 sylls.] as a girls' name is pronounced mah-REE-nah. It is of Latin origin, and the meaning of Marina is from the sea. From marine. A saint's name. Shakespeare gave the name to Pericles' daughter in his play Pericles, Prince of Tyre.
Marinara (English: mariner's) sauce is an Italian sauce that originated in Naples, usually made with tomatoes, garlic, herbs, and onions. Its many variations can include the addition of capers, olives, spices, and a dash of wine. This sauce is widely used in Italian-American cuisine, which has greatly diverged from its Old World origins. Italians refer to marinara sauce only in association with other recipes.