If you want to convince someone that at least a basic understanding of statistics is an essential life skill, bring up the case of Lucia de Berk. Hers is a story that’s too awful to be true—except that it’s completely true.

When you run a small business (perhaps as small as just you), does failure ever really occur? I hear often in the media about this or that business being “too big to fail,” but in reality isn't it more like “too small to fail?”

My lean journey of more than 20 years has changed my life in many ways, perhaps none as pervasively as recognition of and disdain for waste.