Ever wondered how a pencil is made? Me too, so I will join you as we watch the following video. It's from pencil-maker Staedtler. Just imagine that I am sitting at your side, perhaps sipping a coffee ...

Despite the name, pencils have never been made with lead. They’re made with graphite, a form of carbon. Just where does graphite come from, and why did we decided to write with it? NPR took a look ...