It’s definitely not the best TED talk but still pretty solid. Mihaly Csikszentmihalyi talks about the state of "flow", "a state of heightened focus and immersion". Even if you want to skip the rest of the presentation, just take a look at his last insightful slide.
At this point I want to take the time to thank the inventor of copy & paste.
Shawn Achor from Harvard University, explains positive psychology in nutshell. He is talking about the paradoxon, why depression increases though living conditions have never been that advanced. At last he is offering everyday advice, how to lead a happier and more productive life.
(Found on ImprovedLives)