A small object has a mass of 82.2 grams. When completely immersed in a graduated cylinder with a water level of 25.0 mL, the object causes the water level to rise to 47.1 mL. What is the density of the object in g/mL? (Do not enter the units; only the numeric value.)

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