"I think we have a goal, " said 23-year-old Christina Zhang, an undergraduate in linguistics at Beijing Normal University.

CNN: A conversation with China's young Communists

In a 2010 study of 120 children ages 7, 9 and 11, researchers at Beijing Normal University in China found kids increasingly told altruistic lies to avoid hurting others' feelings.

WSJ: How to Handle Little Liars

After attaining a PhD from Beijing Normal University, Liu became a visiting scholar at Columbia University in the United States, the University of Oslo in Norway and the University of Hawaii.

CNN: Ideas cost peace prize winner freedom