Thatcher's iconic locks were as big a part of her image as her sensible handbag, but few knew, until now, just how long it took her to keep her famous barnet in check until the National Archives released her 1984 appointments diary

The Iron Barnet: Margaret Thatcher had 118 hair appointments in just 12 months

Thatcher's locks were as big a part of her image as her sensible handbag, but few knew just how long it took her to keep her famous barnet in check

The ban was driven by concerns that electronic devices could collectively interfere with aircraft systems

Kindles, iPads and laptops can now be used inflight - but only on BA

British Airways passengers will be the first to benefit from relaxed rules on gadgets inflight

Switched on: the use of gadgets throughout flights is welcome news

Doors to automatic, iPad on

Air regulators are catching up with 21st-century reality

Australia captain Michael Clarke (L) and coach Darren Lehmann
A family make their way along a lane in Beijing

Great leap forward: China loosens notorious one-child policy which prevented up to 400m births to bankroll ageing population

Communist Party responds to fears of demographic timebomb

Jim Armitage: Neat wriggle, and megaprofits for megawatts can continue

Outlook Didn't they do well? Energy companies have long loathed the green levies, mostly put on them by the previous government.

Nuclear power: Sanctions against Iran have speeded up the weapons programme

Whatever Israel says, it is Iran that's offering the concessions

World View: A deal on nuclear weapons has been on the cards since President Obama decided not to attack Syria

The 10 Best British spas

Pamper yourself into blissful oblivion before the festive season arrives in this selection of the finest spas in the country

Switzerland has decriminalised marijuana possession

Switzerland changes law to decriminalise marijuana possession

Anyone caught with up to 10 grams of the drug will be let off with a CHF 100 (£68) fine and it will not go on their criminal record

New PIP device measures stress to help users relax

Kickstarter bio-sensor is held between thumb and forefinger to measure 'galvanic skin response'

Shaken and stirred: Ian Brown of The Stone Roses

Music review: The Stone Roses, Finsbury Park, London

Fearless, if flawed, second coming for band that defined a generation

David Cameron and his wife on holiday

Going away? Don’t forget the cameras Mr Cameron

It’s difficult for senior politicians to take a break abroad. David Cameron came under fire for jetting off to Ibiza for the weekend in the midst of a terror alert. Which made the first-day-of-holiday photo shoot all the more crucial.

Italy’s Dolomites

Summer Guide 2013: Mountains

Learn about life in the Swiss mountains with the new BaseCamp package at Nira Alpina (00 41 081 838 6969; niraalpina.com). Keep all the family amused on a summer break at this designer hotel in St Moritz, in the Engadine Valley, with workshops for children on edible mountain plants, how to milk cows and make cheese, and active pursuits including kite-surfing, climbing and sailing. From Sfr875 (£606)pp for five nights' B&B, picnic two guided hiking tours, plus other trips and treats. Children aged under 12 can stay free of charge in their parents' room. International travel costs extra. Departures are between 15 June and 13 October.

Matthew Bell is put through his paces by Bridgett Ann Goddard yesterday

Hot and humid: Introducing Bikram yoga

It's not supposed to be competitive, but fans hope for Olympic glory. Matthew Bell reports from the national championships

Marathon runners warned not to use painkillers after study shows increase in cramps and other side effects

Using painkillers before running a marathon could cause serious side effects, experts have warned.

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Independent Travel
Burgundy, the River Rhone & Provence – Five-star MS Swiss Corona 7 nights from £999pp
Lake Como St Moritz & the Bernina Express 7 nights from £809pp
Vietnam
Lake Maggiore, Orta & the Matterhorn 7 nights from £939pp
South Africa
Spain
Prices correct as of 19 December 2014
The week Hollywood got scared and had to grow up a bit

The week Hollywood got scared and had to grow up a bit

Sony suffered a chorus of disapproval after it withdrew 'The Interview', but it's not too late for it to take a stand, says Joan Smith
From Widow Twankey to Mother Goose, how do the men who play panto dames get themselves ready for the performance of a lifetime?

Panto dames: before and after

From Widow Twankey to Mother Goose, how do the men who play panto dames get themselves ready for the performance of a lifetime?
Thirties murder mystery novel is surprise runaway Christmas hit

Thirties murder mystery novel is surprise runaway Christmas hit

Booksellers say readers are turning away from dark modern thrillers and back to the golden age of crime writing
Anne-Marie Huby: 'Charities deserve the best,' says founder of JustGiving

Anne-Marie Huby: 'Charities deserve the best'

Ten million of us have used the JustGiving website to donate to good causes. Its co-founder says that being dynamic is as important as being kind
The botanist who hunts for giant trees at Kew Gardens

The man who hunts giants

A Kew Gardens botanist has found 25 new large tree species - and he's sure there are more out there
The 12 ways of Christmas: Spare a thought for those who will be working to keep others safe during the festive season

The 12 ways of Christmas

We speak to a dozen people who will be working to keep others safe, happy and healthy over the holidays
Birdwatching men have a lot in common with their feathered friends, new study shows

The male exhibits strange behaviour

A new study shows that birdwatching men have a lot in common with their feathered friends...
Diaries of Evelyn Waugh, Virginia Woolf and Noël Coward reveal how they coped with the December blues

Famous diaries: Christmas week in history

Noël Coward parties into the night, Alan Clark bemoans the cost of servants, Evelyn Waugh ponders his drinking…
From noble to narky, the fall of the open letter

From noble to narky, the fall of the open letter

The great tradition of St Paul and Zola reached its nadir with a hungry worker's rant to Russell Brand, says DJ Taylor
A Christmas ghost story by Alison Moore: A prodigal daughter has a breakthrough

A Christmas ghost story by Alison Moore

The story was published earlier this month in 'Poor Souls' Light: Seven Curious Tales'
Marian Keyes: The author on her pre-approved Christmas, true love's parking implications and living in the moment

Marian Keyes

The author on her pre-approved Christmas, true love's parking implications and living in the moment
Bill Granger recipes: Our chef creates an Italian-inspired fish feast for Christmas Eve

Bill Granger's Christmas Eve fish feast

Bill's Italian friends introduced him to the Roman Catholic custom of a lavish fish supper on Christmas Eve. Here, he gives the tradition his own spin…
Liverpool vs Arsenal: Brendan Rodgers is fighting for his reputation

Rodgers fights for his reputation

Liverpool manager tries to stay on his feet despite waves of criticism
Amir Khan: 'The Taliban can threaten me but I must speak out... innocent kids, killed over nothing. It’s sick in the mind'

Amir Khan attacks the Taliban

'They can threaten me but I must speak out... innocent kids, killed over nothing. It’s sick in the mind'
Michael Calvin: Sepp Blatter is my man of the year in sport. Bring on 2015, quick

Michael Calvin's Last Word

Sepp Blatter is my man of the year in sport. Bring on 2015, quick