Cookies, cakes, candy, soda pop. It can be very fun to snack on sweet treats - in moderation. But just what makes these sweets so sweet? It’s the sugar, right? We asked scientist Ann-Marie Torregrossa to help us figure out why sugar tastes so sweet.

Got a question that you’re pretty sweet on? Send it to us at BrainsOn.org/contact, and we’ll treat you to the answer.