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 is an English television presenter, and is best known for co-hosting Channel 4's daytime puzzle show, Countdown. The maths graduate also features on the show's popular comedy spin-off, 8 ...

Countdown host Rachel Riley apologised for a controversial now-deleted tweet linking a violent attack in a Sydney shopping mall to pro-Palestinian protests in response to the Israel-Hamas war. Riley, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Rachel Riley and husband Pasha Kovalev are struggling to spend time together. (Getty Images) Rachel Riley has confessed she and ...