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

New series such as ‘Elsbeth’ and ‘Patience’ continue a long tradition of sleuths who come across as eccentric or aloof. But now there’s a name for these minds that work differently.

For a long time, evolutionary biologists have thought that the genetic mutations that drive the evolution of genes and ...

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

During strongly trending bull markets, investors often overlook the importance of math in predicting forward returns.

We thank Manuela Tutolo and colleagues for commending the design of the FUTURE study and the robustness of its delivery, including the urodynamics quality control. We also thank Maurizio Serati and ...