Posted by Jill Carattini on November 5, 2014
The concept of “shelf life” has always intrigued me. It is an expression that describes exactly what it attempts to define. For instance, Twinkies have a shelf life of twenty-five days, after which, their existence on the shelf as something edible expires. But shelf life is also an expression that is metaphorically full. One might say of the American “Cabbage Patch Kids” that they were once a quite a phenomenon; shoppers were injured as the dolls were pulled off the shelves and seized by anxious crowds. But the craze was relatively short-lived; as far as fads go, the shelf life was fairly brief.
In high school chemistry we took in the ponderous thought that everything has a shelf life. In fact, in many substances this is an incredibly important number to watch. Continue reading →