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

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

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

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

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

These teacher-tested activities use free or familiar tools to help students think critically, create meaningfully, and ...

I placed one in my living room and the other in my bedroom. What makes having an under-desk treadmill convenient is that you ...