Mark Easton goes on a journey to understand what lasting happiness is. The six-part series looks at the newest research, examine the latest policy proposals, and meet the most cutting-edge thinkers from around the world.

The mission of the International Positive Psychology Association (IPPA) is to promote the science and practice of positive psychology and to facilitate communication and collaboration among researchers and practitioners around the world who are interested in positive psychology.

The Positive Psychology Center at the University of Pennsylvania is seeking participants for online research studies. The studies look at character strengths and virtues, happiness, optimism, satisfaction with life, and related positive psychology topics.