sciencehabit writes: Empathy lets us feel another person's pain and drives us to help ease it. But is empathy a uniquely human trait? For decades researchers have debated whether nonhuman animals possess this attribute. Now a new study shows that rats will free a trapped cagemate in distress. The results mean that these rodents can be used to help determine the genetic and physiological underpinnings of empathy in people.
"Today's robots are very primitive, capable of understanding only a few
simple instructions such as 'go left', 'go right', and 'build car'."