Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Getting out of debt isn’t easy — especially after a job loss. Credit card balances can balloon fast once income dries up, and ...

The Organisation for Economic Co-operation and Development’s (OECD) recent evaluation of Italy’s anti-corruption legislation ...

Gift cards are a perennial favorite for holiday shoppers. They’re easy to wrap, universally appreciated, and always the right size. But as gift-giving season approaches, it’s important to remember ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

Asking students to explain how they arrived at an answer is a powerful strategy for making a concept more memorable.

Sherman Oaks Notre Dame offensive lineman Samson Fatu puts on his headphones, listens to music and focuses before each game ...

In this excerpt from the new book ‘Speak Data,’ the Wharton professor and best-selling author shares his thoughts on how we interpret and communicate information Data is an omnipresent facet of modern ...

Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.