Good grapes are sublime. Mediocre grapes are the kind of food you eat out of obligation. You bought them, and it would be a waste to let them rot in the fridge, but that's it. Bad grapes are, well, ...

Whether you prefer purple, red, or green varieties, grapes are a classic (and delicious) fruit. They're also a popular snack, thanks to their small size and portability. But eating grapes isn't just ...