Mathematician Dr Tom Crawford will stand in for Rachel Riley on Channel 4's Countdown while she takes a short break to work ...

Mathematician Dr Tom Crawford will stand in for Rachel Riley on Channel 4’s Countdown while she takes a short break to work ...

Rachel Riley replaced by 'brilliant mathematician' and YouTuber on Countdown - Riley is taking a short break from the Channel ...

Viral mathematician Dr Tom Crawford, a fellow at Oxford University, will cover for Rachel Riley on Channel 4's Countdown.

Indian teenager Aaryan Shulka performs calculations in his head quicker than most people can use a calculator. At a recent ...

It is well-known that the academic mathematicians of ancient Greece made a hugely significant contribution to world thought. However, the ancient inhabitants of the tiny village of Pyrgi on the island ...