99% of people can't guess which of these foods has higher hidden calories! Can you?
by Isadora Teich

There's a lot that goes into the nutrition of food, from healthy fat and unhealthy fat to calcium, fiber and more. People have been counting calories for decades, but do you know your low-calorie foods from your high-calorie foods? Sink your teeth into this HowStuffWorks quiz!

Read More
Scroll to Begin Quiz


How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!