The reason behind the shape of manhole covers have been revealed.

But here’s the twist: Sierra Leone, the roundest country in the world, is also among the most rectangular. The quest for the world’s roundest country started with Argentine mathematician ...

A man has been left unable to solve his seven-year-old son's maths homework, admitting he doesn't know where to start – and even the class teacher was confused ...

The four hunters used a ladder to climb over a corner, going from one piece of public land to another. Right: The Ranch set these posts, which were chained together, to discourage corner crossing.

Vertex Pharmaceuticals generated more than $11 billion in product revenue last year thanks to its dominance in cystic fibrosis treatment. Progress in that specialty area and two key drug approvals ...

The memorial's Roll of Honour has the names of more than 103,000 Australians.(Four Corners: Nick Wiggins) Hundreds of thousands visit the Australian War Memorial every year.(Four Corners ...