"But man has still another powerful resource: natural science with its strictly objective methods." ― Ivan Pavlov Topic(s): Science More From Ivan Pavlov "Edible substances evoke the secretion of thick, concentrated saliva. Why? The answer, obviously, is that this enables the mass of food to pass smoothly through the tube leading from the mouth into the stomach." "Appetite, craving for food, is a constant and powerful stimulator of the gastric glands." "From the described experiment it is clear that the mere act of eating, the food even not reaching the stomach, determines the stimulation of the gastric glands." More In Science "I warn you against believing that advertising is a science."― William Bernbach "I don’t really see science fiction as fiction. I can imagine colonies on Mars and everything."― Sigourney Weaver "I want to be the Cecil B. DeMille of science fiction."― Steven Spielberg