Rachel Riley has been temporarily replaced on Countdown by a tattooed YouTube mathematician who teaches equations in his underwear. Dr Tom Crawford, known for his Tom Rocks Maths channel on the ...

Rachel Riley’s Countdown replacement has been confirmed as the presenter steps away from the daytime game show for three weeks. The 39-year-old mathematician joined the Channel 4 show in 2009 as a ...

Countdown's Rachel Riley will be temporarily replaced by YouTube math star, Dr Tom Crawford. It was announced that Riley, Countdown's very own mathematician, will have to step down from her hosting ...

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 on another project, it has been announced. Dr Crawford is well-known for his ...

New Countdown presenter Jeff Stelling has praised co-host Rachel Riley, describing her as "drop-dead gorgeous". Speaking to the Radio Times, Sky Sport's Soccer Saturday host voiced his admiration for ...

Manchester United-supporting TV and radio host Rachel Riley has revealed that she no longer owns the shirt gifted to her by Ryan Giggs. Riley, who is famed for her role as co-host on the popular UK ...