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

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in ...

Researchers have created a prediction method that comes startlingly close to real-world results. It works by aiming for ...

The math behind even the simplest ocean waves is notoriously uncooperative. A team of Italian mathematicians has made major ...

Researchers from Skoltech, the University of Potsdam, and the Massachusetts Institute of Technology have discovered a ...

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 ...

Learn about classification with this guide. How to classify plants and animals Learn how to classify plants and animals. Learn how nutrients and water are transported around different animal bodies in ...