There are so many things that you don't know about the world. It doesn't matter how many years you spend in school, because you're never going to learn everything. Of course, that doesn't mean you shouldn't try.
You should make it your mission to fill your brain with as many facts as possible, even if you don't think they'll come in handy in the future. Are you ready to learn? If you are, then you should watch this video to learn fifty different facts that you can impress all of your friends with:
What do you think is the most interesting fact from the video?