HOW STUFF WORKS
QUIZZES

FOLLOW US
All Choked Up: Smog and Your Skin Quiz
by Staff

The foul stench of smog may cause you to choke and cough. But in addition to damaging your lungs, smog can also damage your skin. Do you have the knowledge to protect your dermis from pollution?

Read More
Scroll to Begin Quiz

ABOUT HOWSTUFFWORKS

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!