Methods of communication have evolved from the primitive smoke signal and jungle drum to the sophisticated transmitters used by astronauts. The ultimate form of communication, one that offers exciting possibilities, is telepathy. By means other than sensory perception, some people can communicate using mind waves. Relatively few persons are known to possess telepathic powers, but experts are convinced that telepathy is not beyond the reach of the average person and can be developed through practice and discovery.

Q. Select a word from the paragraph which could serve as a one-word title.