ADVANCING ADHESIVES: Professor Invents "Ripeness" Sticker
He said growers and grocers throw out thousands of bushels of fruit each year because it ripens faster than it can get to market or be sold.
With no simple way to tell whether fruit that looks good on the outside will taste good on the inside, consumers often buy peaches, pears and melons they can't eat because they're under-ripe or overripe.