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 first joined Countdown in 2009, taking over from Carol Vorderman RACHEL Riley has been temporarily replaced on Countdown – by a YouTube star. The Channel 4 words and numbers show will undergo ...

RACHEL RILEY – who rose to fame on Countdown - admitted that she needed a “lie down” after she talked contestants through a tricky maths sum on a recent episode of the popular Channel 4 show. Rachel ...

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Rachel Riley is best known for appearing alongside Susie Dent and Nick Hewer on Countdown. On the afternoon puzzle show, she shares her knowledge for maths. Tonight she will join Michael McIntyre on ...

Countdown duo Rachel Riley and Anne Robinson have allegedly been rubbing each other up the wrong way on set. Riley, who does the letters and numbers, replaced Carol Vorderman on the show 12 years ago, ...

Countdown presenter Rachel Riley has explained what happens when a contestant gives a potentially risqué answer during filming. Riley revealed during an interview with The Mirror that her co-host Nick ...

Television personality Rachel Riley has opened up about what one of her renowned co-stars is truly like when the cameras stop rolling. The mathematics expert has established herself as a household ...