1. Why is Psychology good? by Martin Seligman, the founder of Positive Psychology

In this TED talk, Martin Seligman talks about psychology — as a field of study and as it works one-on-one with each patient and each practitioner. As it moves beyond a focus on disease, what can modern psychology help us to become?

2. This is another good video by Martin Seligman:

3. And this panel discussion with Martin Seligman, Ross Gittens and Ellen Langer: