Simplify the following text for a Grade 5 native English-speaking person.
Original: Austrian ethologist and Nobel laureate Karl von Frisch was one of the first who translated the meaning of the waggle dance . On the right side is a video explaining the waggle dance in depth , as well as the experimentation that went into discovering the dance .
Simplified: It is now known that a round dance is only a waggle dance with a very short `` waggle run '' ( see below ) .