Many words to say "Moist fingers grips smooth,hard objects better than dry finger". Again, I'm not saying it is useless or uninteresting or that the science is

Many words to say "Moist fingers grips smooth,hard objects better than dry finger". Again, I'm not saying it is useless or uninteresting or that the science is simple, I'm saying you can see the behavior without knowing the science and still understand it. Then again, what is interesting to one person might not be equally interesting another.