Milk

Fun fact: the milk cartons here are amazing. Milk is sold in different ways here than the US (and different from what I remember in Europe) -- a bag of milk lasts unopened in the refrigerator for two weeks and a vacuum-packed container of milk lasts unopened unrefrigerated for a few months, both expiring within 2 - 3 days once opened. The most fascinating thing is the information on the bag or carton: the exact bacterial content, for one. It states that there are fewer than 50,000 bacteria/ml 24 hours a day, 365 days a year. Then there is a table of a sample week and the quantity of bacteria each day.There is also a vaccination schedule for the cows: