So, what exactly is the three-body problem, and is there any hope of solving it? Click through this gallery to find out.

While you’re pondering over that one, here are 30 examples of automotive styling trends adopted (and sometimes, but not always, later dropped) by designers over more than a century of motoring.

The new speed van locations in Longford are part of an ongoing road safety campaign which will see a total of 390 new zones ...