It was previously thought that children younger than 7 couldn't find efficient solutions to complex problems, but new ...

Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

The New York Times' latest game, Pips, brings domino fun to your desktop. How to play Pips as well as hints in case you get ...