If you thought a "braid group" was a hair braiding club, think again! What is braid theory, and how does this branch of math use expressions and equations to talk about braids?

Global Positioning Systems (GPS) help you find your way around by figuring out where you are. But how does it work, and how does geometry help?

Some things are as easy as pie, but fairly dividing a pie between friends might not be one of them! How can mathematics help everyone get their fair share?

While many things in factories just need to get from one place to another, some might also need to be flipped over along the way. How do factories do it, and how can math explain how this works?

Measuring our world is important for a wide variety of reasons. But how do people do it? And how do they use math to make it all work?

Have you ever seen a video of a helicopter that appears to float while its propeller stands still? Why do cameras do that, and how can math explain it?

Planning a trip with multiple stops can be tricky. The order in which you visit each stop can significantly impact your travel time. So how do you choose the best order?

Shuffling a deck of cards can be fast and fun, but how many shuffles should you perform so that the deck is random enough?

When products are the same size, comparing prices is straightforward. But when products are different sizes, how do you find the cheaper one?

When you send a password or credit card number across the internet, how can you ensure it stays safe?