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

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

On The Outer Worlds 2's second planet, you'll need to complete the Pinching The Pupa quest to get the help you need to ...

Researchers have combined the Dijkstra and Bellman-Ford algorithms to develop an even faster way to find the shortest paths ...

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

Lehigh researchers create new method that improves consistency between predicted and observed data. An international team of mathematicians led by Lehigh University statistician Taeho Kim has ...

Students aren’t necessarily missing the math, they’re missing how to make sense of the problem itself. Once we see ...

Animals from completely different branches of the tree of life, such as insects, worms and vertebrates, independently evolved ...

This paper describes the eccentricity, amplitude, phase shift, angular momentum, polarization, radial path, and orbital ...