Arts and Entertainment Countdown's Rachely Riley takes to the dance floor with partner Pasha Kovalev

The Countdown and Strictly star married her husband last August

The Week In Radio: Addison needs the genius of Armando

Just like the butterfly in chaos theory that flaps its wings and triggers an earthquake the other side of the world, so Terry Wogan's flit from Radio 2 caused seismic changes to shudder through the BBC schedule. Chris Evans has bounced into breakfast, noticeably improving as the week went on. He is accompanied by Moira Stuart, rehabilitated after she was shelved for being old, though why the sight of a 60-year-old woman was deemed unacceptable on television remains a mystery. I can think of plenty of male presenters who aren't exactly an oil painting – unless it's by Brueghel. Anyway, Chris Evans's move has the great advantage of bringing Simon Mayo into his old slot on Radio 2's Drivetime.

Carol Vorderman backs fights against power pylons

Television presenter Carol Vorderman has backed a campaign to stop a 400,000-volt overhead power line being put up near her countryside home.

Last Night's Television: The funny guys go red in the face

Comic Relief Does The Apprentice, BBC1<br/>Red Riding, Channel 4

A head 4 figures: How will Marcus du Sautoy make maths fun?

Marcus du Sautoy is Britain's most charismatic mathematician. He can make calculations in nine different dimensions. But that's the easy part.

Countdown, Channel 4<br>A History of Christianity, Channel 4<br>Could You Eat an Elephant? Channel 4

Jesus revisited by a 21st-century writer was a high point &ndash; unlike the return of a teatime institution

The broadcaster: Rachel Riley

Fresh out of Oriel College, Oxford, with a masters in mathematics, 22-year-old Rachel Riley is the new Carol Vorderman, taking on the role of human calculator in the revamped Channel 4 afternoon quiz Countdown. Riley was planning on a career in marketing but beat 1,000 rival applicants to the Countdown job where she will work alongside the dry-witted Sky Sports presenter Jeff Stelling.

2.1m watch Vorderman and O'Connor's final Countdown

More than two million viewers tuned in to see Carol Vorderman and Des O'Connor bow out of Countdown.

Two consonants and a vowel for Carol: Bye

'Countdown' co-host bows out with a few tears after a 26-year reign on Channel 4's puzzle programme

Vorderman's Countdown comes to an end

After 26 years, more than 4,500 shows and countless vowels and consonants, Carol Vorderman is finally hanging up her chunky black marker and leaving Countdown today.

Armstrong turns down 'Countdown' job

In a sudden change of heart after receiving his contract, Alexander Armstrong has told Channel 4 executives that he does not want to host the flagship conundrum show Countdown.

'Countdown' conundrum solved

The comedian Alexander Armstrong is set to give a 'leftfield' edge to the long-running Channel 4 quiz show

Maths wizard, 11, could be the next Vorderman

If countdown executives are struggling to find Carol Vorderman's replacement, they might want to consider their current contestant Kai Laddiman.

Countdown: The goodbye Carol Vorderman quiz

The presenter has resigned, and Channel 4 is looking for areplacement. Katy Guest puts prospective candidates to the test

Rebecca Tyrrell: 'It's a JFK/Diana moment in our home. Yes, Carol Vorderman has departed from Countdown'

I don't think I will ever forget Matthew's animal yelp of distress as he read a two-day old English newspaper in a Greek taverna on the tiny, peaceful island of Poros. "Sweet Lord Jesus, no," he wailed. "What have they done? God damn them all to hell, what have they done?"

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Day In a Page

Burgundy, the River Rhone & Provence – MS Swiss Corona - seven nights from £999pp
Lake Maggiore, Orta and the Matterhorn – seven nights from £899pp
Sicily – seven nights from £939pp
Pompeii, Capri and the Bay of Naples - seven nights from £799pp
Istanbul Ephesus & Troy – six nights from £859pp
Mary Rose – two nights from £319pp
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Take a good look while you can

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Crowdfunded novel nominated for Booker Prize

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Tour de France effect brings Hollywood blockbusters to Yorkshire

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A $25m thriller starring Sam Worthington to be made in God's Own Country
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The worst kept secret in cinema

A cult movie event aims to immerse audiences of 80,000 in ‘Back to the Future’. But has it lost its magic?
Facebook: The new hatched, matched and dispatched

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Family events used to be marked in the personal columns. But now Facebook has usurped the ‘Births, Deaths and Marriages’ announcements
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All of us have one but probably never wondered why. Yet even now, a century after blood types were discovered, it’s a matter of debate what they’re for
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