8 facts you should know but probably don't

Let's get our facts straight, okay?

Did you know that most new cars have an arrow on the fuel gauge to indicate which side the tank is on? And get ready for this curveball ... Pterodactyls weren't dinosaurs. These are just some facts that we should probably know, but most of us just don't.

We won't spoil the rest for you. Check them all out for yourself -- and let us know if you knew any of them!

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