Do you know relativity theory? How about any ideas on string theory?
Within this university there are other dimensions. You could exist in more than one dimensions. Some believe there are being in other dimensions
Let me school you with example. Jinns do exist in this world. But they are within this world in their own dimensions.
There were Rumors of popobawa in 2007, I belive you were still nursing at the time. I witness people coming out testifying that they have been violated by poppbawa. A creature half bat half human. I see also text in other countries like China about batman. Which could be similar to popobawa in Tanzania.
To make it short just because you don't know it doesn't mean it doesn't exist