RACHEL Riley has been temporarily replaced on Countdown – and by a YouTube star. The Channel 4 words and numbers show will ...

Rachel Riley will be replaced as the show's co-host by a mathematician and YouTuber while filming a new project .

EXCLUSIVE: Countdown star Rachel Riley shared her thoughts on leaving the Channel 4 show just days before it was announced ...

Rachel Riley is set to be temporarily replaced on Countdown by mathematician Dr Tom Crawford, as she takes a brief hiatus ...

Countdown 's Rachel Riley will be temporarily replaced by YouTube math star, Dr Tom Crawford. It was announced that Riley, ...

Mathematician Dr. Tom Crawford will fill in Rachel Riley's role on Countdown while she takes a break from the show.

Mathematician Dr Tom Crawford will stand in for Rachel Riley while she takes a short break to work on another project. Dr ...

Rachel Riley, 39, is urging people to be clued up on their bodies, after losing a friend who showed no obvious signs of ill ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Rachel Riley is set to take a brief hiatus from Countdown, with mathematician Dr Tom Crawford stepping in as her temporary ...

EXCLUSIVE: Rachel Riley shared her thoughts on leaving Channel 4 show Countdown, days before it was announced she will be ...

The Channel 4 maths whizz, 39, is taking a short break from the long-running show to work on another project. While she is ...