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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Left: An illustration of the original Jim Crowe, played by TD Rice Right: A Couple dressed as Ray and Janay Rice
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By performing as African Americans or Indians, white people get to play act a kind of 'imaginary liberation', writes Michael Mark Cohen

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Hand out press photograph/film still from the movie Mad Max Fury Road (Downloaded from the Warner Bro's media site/Jasin Boland/© 2014 Warner Bros. Entertainment Inc.)
films'You have to try everything and it’s all a process of elimination, but ultimately you find your path'
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Imelda Staunton as Dolores Umbridge in the Harry Potter films
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New essay by JK Rowling went live on Pottermore site this morning

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Russia Today’s new UK channel began broadcasting yesterday. Discussions so far have included why Britons see Russia as ‘the bad guy’
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New UK station Russia Today gives a very bizarre view of Britain

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Top Gear presenter is no stranger to foot-in-mouth controversy

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Keira Knightley and Benedict Cumberbatch at the premiere of The Imitation Game at the BFI London Film Festival
filmsKeira Knightley tried to miss The Imitation Game premiere to watch Bake Off
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The drugs revolution starts now as MPs agree its high time for change

The drugs revolution starts now as MPs agree its high time for change

Commons debate highlights growing cross-party consensus on softening UK drugs legislation, unchanged for 43 years
The camera is turned on tabloid editors in Richard Peppiatt's 'One Rogue Reporter'

Gotcha! The camera is turned on tabloid editors

Hugh Grant says Richard Peppiatt's 'One Rogue Reporter' documentary will highlight issues raised by Leveson
Fall of the Berlin Wall: It was thanks to Mikhail Gorbachev that this symbol of division fell

Fall of the Berlin Wall

It was thanks to Gorbachev that this symbol of division fell
Halloween 2014: What makes Ouija boards, demon dolls, and evil clowns so frightening?

What makes ouija boards and demon dolls scary?

Ouija boards, demon dolls, evil children and clowns are all classic tropes of horror, and this year’s Halloween releases feature them all. What makes them so frightening, decade after decade?
A safari in modern Britain: Rose Rouse reveals how her four-year tour of Harlesden taught her as much about the UK as it did about NW10

Rose Rouse's safari in modern Britain

Rouse decided to walk and talk with as many different people as possible in her neighbourhood of Harlesden and her experiences have been published in a new book
Welcome to my world of no smell and odd tastes: How a bike accident left one woman living with unwanted food mash-ups

'My world of no smell and odd tastes'

A head injury from a bicycle accident had the surprising effect of robbing Nell Frizzell of two of her senses

Matt Parker is proud of his square roots

The "stand-up mathematician" is using comedy nights to preach maths to big audiences
Paul Scholes column: Beating Manchester City is vital part of life at Manchester United. This is first major test for Luke Shaw, Angel Di Maria and Radamel Falcao – it’s not a game to lose

Paul Scholes column

Beating City is vital part of life at United. This is first major test for Shaw, Di Maria and Falcao – it’s not a game to lose
Frank Warren: Call me an old git, but I just can't see that there's a place for women’s boxing

Frank Warren column

Call me an old git, but I just can't see that there's a place for women’s boxing
Adrian Heath interview: Former Everton striker prepares his Orlando City side for the MLS - and having Kaka in the dressing room

Adrian Heath's American dream...

Former Everton striker prepares his Orlando City side for the MLS - and having Kaka in the dressing room
Simon Hart: Manchester City will rise again but they need to change their attitude

Manchester City will rise again but they need to change their attitude

Manuel Pellegrini’s side are too good to fail and derby allows them to start again, says Simon Hart
Isis in Syria: A general reveals the lack of communication with the US - and his country's awkward relationship with their allies-by-default

A Syrian general speaks

A senior officer of Bashar al-Assad’s regime talks to Robert Fisk about his army’s brutal struggle with Isis, in a dirty war whose challenges include widespread atrocities
‘A bit of a shock...’ Cambridge economist with Glasgow roots becomes Zambia’s acting President

‘A bit of a shock...’ Economist with Glasgow roots becomes Zambia’s acting President

Guy Scott's predecessor, Michael Sata, died in a London hospital this week after a lengthy illness
Fall of the Berlin Wall: History catches up with Erich Honecker - the East German leader who praised the Iron Curtain and claimed it prevented a Third World War

Fall of the Berlin Wall

History catches up with Erich Honecker - the East German leader who praised the Iron Curtain and claimed it prevented a Third World War
How to turn your mobile phone into easy money

Turn your mobile phone into easy money

There are 90 million unused mobiles in the UK, which would be worth £7bn if we cashed them in, says David Crookes