brainworm quoted Prosocial by Paul W.B. Atkins PhD
Whether you work in business or schools, volunteer in neighborhoods or church organizations, or are …
"When only the most productive hens were selected to breed, egg productivity declined over the course of five generations. Why? The most productive hens in each group achieved their productivity by bullying the other hens, a heritable behavior in chickens."
— Prosocial by Paul W.B. Atkins PhD, David Sloan Wilson PhD, Steven C. Hayes PhD, and 1 other