Time magazine declared the first 10 years of the 21st century the "Decade from Hell" -- what else would you call a decade that started off with the deadliest terrorist attack in history and ended with global economic collapse? How well you remember the events that happened in the years from 2000 through 2009?
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!