These two rivers in the village of Ogbuide and Orashi They will never blend, no matter what you do, Rumors have it that they split the cup and flow away in separate directions if you pour them into one cup. Do you have rivers of this sort in your village?

Simple science says that the two rivers have different densities so that they can not mix together. Another scientist says "That happens because of the big difference in the speed, density and temperature of their flow. Such variations mean that the two river meet and don't mix.