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 has issued a playful warning to Countdown producers should they ever want her to leave the show. The 39-year-old mathematician is currently on a short break from the programme to focus on ...

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 ...

TV star Rachel Riley has lifted the lid on what one of her famous co-star's is like behind the camera. The maths whizz has made a name for herself on Countdown and its comedy spin-off 8 Out of 10 Cats ...

The 33-year-old Countdown favourite, who has been a regular on the post-watershed spin-off series since it first began, said tonight’s instalment was her favourite one she had ever filmed. Taking to ...

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 ...

Jimmy Carr hosts with Sean Lock, Bill Bailey and Paul Foot who take on Sarah Millican, Rob Delaney and Romesh Ranganathan. Nina Conti joins Susie Dent in Dictionary Corner, with Rachel Riley. Jimmy ...