They are intelligent, communicate with each other, have the ability to learn, do tricks, play jokes, and can almost use their fins as hands.

Why does the trick work?

Let me show you some card tricks.

"We' re basically imitating tricks that nature has discovered over millions of years" - in particular, "reversibility, the ability to break apart and reassemble," Strano says.

It starts off as a boring trick, but hold on until half-way through for the punch-line.