I usually work on general relativity and cosmology. I have always loved geometrical things. As a kid I was fascinated by map projections. When I was 14, I made a painted globe of Mars based on a flat ...

Mean arterial pressure (MAP) is a key reading doctors use to assess blood flow through your body. It’s related to your systolic and diastolic blood pressure readings but accounts for flow and ...

You’re going to need some double-sided tape. By Joshua Sokol Most of the world maps you’ve seen in your life are past their prime. The Mercator was devised by a Flemish cartographer in 1569. The ...

This 1491 map is the best surviving map of the world as Christopher Columbus knew it as he made his first voyage across the Atlantic. In fact, Columbus likely used a copy of it in planning his journey ...