An electrical schematic diagram might look like a nonsensical drawing to the layman, but to the electrical engineer, it’s a high-level documentation that provides a ton of insight and instruction. The ...

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, ...

Kirk O. Hanson is a senior fellow at the Markkula Center for Applied Ethics. Views are his own. All human cultures use symbols to represent their core values and collective identity. We treasure most ...

Everyone is interested in dreaming—in my introductory psychology course, it is always one of my students’ favorite topics. But do dreams really mean anything? Psychologists are genuinely divided over ...