Is it true that the more severe a woman's heartburn is during her pregnancy, the more hair her baby will be born with? It sounds like an old wives' tale, and it is, but it turns out it really is true. See how much you know about pregnancy is true and how much is superstition.
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!