11-10-09 A new study presents the first evidence that a basic sense of fairness and altruism（利他主义） appears in infancy. Babies as young as 15 months perceived the difference between equal and unequal distribution of food, and their awareness of equal ra...

10-10-17 Nice guys actually finish first when it comes to getting the girl, new research suggests. 一项新的研究表明，好男人事实上能够最先追到女孩。 Psychologists（心理学家） believe that traits such as selflessness and altruism（利他主义） have become part o...