When he first saw a map of malaria's range, Mann says it was as if the scales had fallen from my eyes. That range extends almost precisely to the Mason-Dixon Line, along which the American Civil War broke out in 1861, between the slave-holding states of the South and the Union soldiers of the North.
Opened yogurt will typically stay at peak quality for 5 to 7 days after opening, but will generally remain safe to consume for at least 1 to 2 weeks after the sell by date on the package, provided it has been properly stored- discard entire package if any sign of mold appears.
Yogurt should be stored in the refrigerator below 40 degrees F. When stored properly, the shelf-life of yogurt is seven to 14 days. Storing longer than that allows molds, yeast and slow-growing bacteria to grow and spoil your yogurt. If left out of the refrigerator for two hours or less, yogurt can safely be put back in the refrigerator to eat at a later time.