Laura King: Your life is probably pretty meaningful, 2014

Shane Lopez: Hope is a strategy, 2013

Shane Lopez: Making hope happen, 2013

Sonja Lyubomirsky: The science of happiness, 2014

Sonja Lyubomirsky: The science and practice of happiness across the lifespan, 2014

Sonja Lyubomirsky: Happiness for a lifetime, 2010

Peter Railton: Prospective Psychology: On Desire, 2014

Barry Schwartz: Doing the right thing for the right reason: Why incentives are no substitute for character, 2012

Barry Schwartz: Love, empathy, wisdom, and justice, 2014

Laurence Steinberg: Lessons from the new science of adolescence, 2014