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 ...

How ANOVA helps ensure process data lead to accurate, defensible decisions. The two-sample t-test determines if two population means are equal. Typical applications involve testing whether a new ...

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 ...

The recent trend of mortgage rates dropping doesn't appear to be over. Rates on a 30-year mortgage declined again this week, according to new data from FreddieMac. Averaging just 6.27% now, rates here ...