Why does sugar make things sweet?
Sugar's Secret Signal
Why does sugar make things sweet?
You bite into a cookie and — boom — sweetness floods your mouth. But what is sugar actually doing in there? Why does this white crystal have such power over your tongue?
Your tongue is covered in thousands of tiny taste buds, and each taste bud has special proteins called sweet receptors sticking out like locks waiting for keys. Most foods don't fit those locks. Sugar does.
