The prototype detected capsaicin and pungent-flavored compounds - such as those behind garlic’s "zing" - in a range of foods.

The appearance of a hot sauce or pepper doesn't reveal whether it's mild or likely to scorch someone's taste buds, but researchers have now created an artificial tongue to quickly detect spiciness.

It’s hard to figure out how spicy something is just by looking at it, but a new artificial tongue can tell you before you put ...