I’m fascinated by the subject of identity — that sense of ‘this is who I am’ — and how that changes over time, whether it’s a slow process or a sudden jarring one. If you could draw a map of your identity, what might it look like?

Who could have predicted that a website that restricts posts to 140 characters each would become a top-tier social media property? Twitter’s success has a lot to do with how it shapes our communication styles. Couples seeking to polish their communication skills would do well to examine what makes tweeting so compelling.

Just as healing physical whiplash requires avoiding activities that might inflame the affected tissues, getting over an encounter with a manipulator requires avoiding self-reproach and learning to ascribe responsibility where it truly belongs.

There’s no shortage of discourse and debate out there right now, but what happened to keeping it civil? All too often, what passes for debate on politics or the economy or the environment is little more than a steady stream of sensationalistic attacks and unreasoned cajoling.

There’s definitely a connection — but it’s not what you might be thinking. You’ll have to try out the latest additions to our psychological quizzes to be sure.

Ludwig Guttman is one of the unsung heroes of our times, the man who transformed the life chances and expectations of millions of spinally-injured people throughout the world, and who — incidentally — was the founding father of the international Paralympic movement.

Humans are social, relational animals. We need each other. But do we perform tasks better when we are alone? Does thinking about how other people perform them raise our anxiety levels and take our energy away? And is it possible to act just as effectively as if we were alone, even with others around?