This post has been updated. We talk about Super Tuesday as though it is a solid thing, a day on the electoral calendar in which there is one result. The truth on the Republican side is that it is ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Whether you're calculating a tip or just in need of some fast math, percentages can be something even math students goof. This video from YouTube channel MindYourDecisions shows you the easiest way to ...