Seriously. SERIOUSLY @blair morrison. Especially that time we were waiting for ticketmaster to open...which I just realized while writing this, was fifteen years ago. Fifteen years. FIFTEEN. I take it back, you should totally be over it by now. Love you.
Bacteria is what causes cottage cheese and sour cream to go bad. If you store them UPSIDE DOWN it creates a vacuum in the container which stifles the growth of bacteria and they last much longer... science lesson over :) Say what?!