http://www.nytimes.com/2015/05/19/science/fruit-flies-are-shown-to-enter-a-fearlike-state.html?ref=science “Despite these observations, it was not possible to conclude the flies were experiencing fear, Dr. Anderson said.” “We can only know that by verbal report,” he said. “So we can’t scientifically study feelings in any creature but a human.” Or, we could simply observe behavior without injecting human thoughts into the minds of […]