to erase memory is now possible

Listen to the radio show.

Keywords: post-traumatic stress disorder, selective memory deletion, accuracy of memory, drug injection, sci-fi.

Why are we happy?

Dan Gilbert believes that, in our ardent, lifelong pursuit of happiness, most of us have the wrong map. In the same way that optical illusions fool our eyes -- and fool everyone’s eyes in the same way -- Gilbert argues that our brains systematically misjudge what will make us happy. And these quirks in our cognition make humans very poor predictors of our own bliss.