Here’s an odd one for you.  If you place two beakers of water near each other and apply an electric voltage the water can form a floating bridge between the beakers.  Elmar Fuchs and colleagues, of the Graz University of Technology in Austria, discovered that water will flow from the beaker containing the anode to the beaker containing the cathode without falling to the floor.  Who would have guessed we still don’t really understand this basic material?