The magical number fourteen: making a very great deal of non-sense.
D000818:Animals; D006801:Humans; D008433:Mathematics; D009474:Neurons / Q000502:physiology; D010465:Perception / Q000502:physiology*; D011601:Psychophysics; D011984:Sensory Receptor Cells / Q000502:physiology*; D009435:Synaptic Transmission