Here is the neat site with all kinds of folk songs. Send a virtual chocolate postcard to someone. Almost as much as zucchini , maybe more. When something starts pecking its way out of the shell, the egg is probably past its prime. Yogurt is spoiled when it starts to look like cottage cheese.
Cottage cheese is spoiled when it starts to look like regular cheese.
Regular cheese is nothing but spoiled milk anyway and can't get any more spoiled than it is already. Fuzzy and hairy looking white or green growth areas are a good indication that your bread has turned into a pharmaceutical laboratory experiment. A carrot that you can tie a clove hitch in is not fresh. If you can take it out of its container and bounce it on the floor, it has gone bad. Generally speaking, Tupperware containers should not burp when you open them.