What do children usually study at school? Maths, history, literature, art. And what do students study at university? Well, practically the same stuff, just in a bit more details. But how many times have you really used that kind of knowledge in your life? And don't you think we might have brought a few positive changes into the curriculum? Because we bet we should study something like this video shows us - 40 absolutely awesome life hacks that should have been shared years ago, but we do it today!