KQED News Mind/Shift – Claudia Wallis 
Most of us can remember a moment like this from our school years: the teacher poses a question – maybe it’s math, maybe history. You raise your hand, you give your answer with full assurance. And then? You’re shot down. You got it wrong. We remember moments like this because they brim with some of our least favorite emotions: shame, humiliation, self-recrimination, and that gutting sense that you want to melt into the floor. Ah yes, I remember it well.(more)