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.
1. If the seal on the carton isn't broken, at least a month. Yogurt and sour cream both easily keep a month past the use by date in my fridge as long as I haven't opened the safety/quality seal. Once the seal is opened, I'd say 7 to 10 days.