Max discovered a beaker full of transparent liquid in a science lab he hypothesize that since The liquid is a transparent like water it is water he shared his conclusion with his friends his friends question his conclusion but Max had no evidence to back his thoughts what steps did Maximus in a scientific method

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

C: plants and animals