The world can be explained with math. New Scientist's Ian Stewart has compiled the seven equations that you – or anything else for that matter — could not exist without. Stewart selected the equations ...

Psychology teaches us how to understand ourselves and other people. This true statement disguises immense, perhaps infinite, complexity. As complex as psychology is, you can learn and accomplish much ...

Equations are the bedrock of science, expressing how numbers or physical properties relate at a fundamental level. Without equations, most of our technology would never have been invented. We may have ...