" Holger Hyden discovers that the brain cells of educated rats contain a third more RNA the those of uneducated rats.
University of California psychologists pass on learning from one rat to another by injecting RNA from trained rats.
Neurologists are "wiring up" the brains of animals and men and altering consciousness by pressing buttons. Press a button - make him hungry. Press a button - make him horny. Press a button - make him angry. Press a button - make him happy.
The psychedelic chemicals flood out of the laboratories. Into the hands of the two familiar groups; those who want to do something to others for
power and control; those who want to do something to themselves for fun and love. "

― Timothy Leary , The Politics of Ecstasy