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

Melting ice in the Arctic is causing an increasing amount of freshwater to enter the North Atlantic, which is expected to ...

Artificial intelligence (AI) systems, particularly artificial neural networks, have proved to be highly promising tools for ...

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 ...

The authors used a Bayesian modeling framework to fit behavior and serotonin neuron activity to reward history across multiple timescales. A key goal was to distinguish value coding from other ...