Diverse rewards help people increase motivation
Scott S. Wiltermuth, assistant professor at the University of Southern California, said people will be more motivated if they are rewarded with different rewards instead of beingHow are dolphins trained?
But as you know, no wild animal was born that knew how to play. They all have to go through a process of hardship.Pigs are also capable of expressing their emotional state
A new study shows that pigs also have the ability to express complex emotional states like humans.Sad father because he has the ability to psychic
The father told his son: