Which mineral famously strengthens bones and teeth?

Calcium

Who fell from a window and was raised alive by Paul? What color ball is worth six points in the sport of snooker? What is the English translation for the Christmas dessert 'Roscón de Reyes' served in Spain? Which sauce is commonly served with sweet-and-sour pork in Chinese-American cuisine? In what year was the first Call of Duty game released?