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.

Latest stories from i100
Career Services

Day In a Page

Independent Travel
Pompeii, Capri & the Bay of Naples
Seven Cities of Italy
Burgundy, the River Rhone & Provence
Prague, Budapest and Vienna
Lake Garda
3.	Provence 6 nights B&B by train from £599pp
Prices correct as of 12 March 2015
War with Isis: Iraq declares victory in the battle for Tikrit - but militants make make ominous advances in neighbouring Syria's capital

War with Isis

Iraq declares victory in the battle for Tikrit - but militants make make ominous advances in neighbouring Syria
Scientists develop mechanical spring-loaded leg brace to improve walking

A spring in your step?

Scientists develop mechanical leg brace to help take a load off
Peter Ackroyd on Alfred Hitchcock: How London shaped the director's art and obsessions

Peter Ackroyd on Alfred Hitchcock

Ackroyd has devoted his literary career to chronicling the capital and its characters. He tells John Walsh why he chose the master of suspense as his latest subject
Ryan Reynolds interview: The actor is branching out with Nazi art-theft drama Woman in Gold

Ryan Reynolds branches out in Woman in Gold

For every box-office smash in Ryan Reynolds' Hollywood career, there's always been a misconceived let-down. It's time for a rethink and a reboot, the actor tells James Mottram
Why Robin Williams safeguarded himself against a morbid trend in advertising

Stars safeguard against morbid advertising

As film-makers and advertisers make increasing posthumous use of celebrities' images, some stars are finding new ways of ensuring that they rest in peace
The UK horticulture industry is facing a skills crisis - but Great Dixter aims to change all that

UK horticulture industry facing skills crisis

Great Dixter manor house in East Sussex is encouraging people to work in the industry by offering three scholarships a year to students, as well as generous placements
Hack Circus aims to turn the rule-abiding approach of TED talks on its head

Hack Circus: Technology, art and learning

Hack Circus aims to turn the rule-abiding approach of TED talks on its head. Rhodri Marsden meets mistress of ceremonies Leila Johnston
Sevenoaks is split over much-delayed decision on controversial grammar school annexe

Sevenoaks split over grammar school annexe

If Weald of Kent Grammar School is given the go-ahead for an annexe in leafy Sevenoaks, it will be the first selective state school to open in 50 years
10 best compact cameras

A look through the lens: 10 best compact cameras

If your smartphone won’t quite cut it, it’s time to invest in a new portable gadget
Paul Scholes column: Ross Barkley played well against Italy but he must build on that. His time to step up and seize that England No 10 shirt is now

Paul Scholes column

Ross Barkley played well against Italy but he must build on that. His time to step up and seize that England No 10 shirt is now
Why Michael Carrick is still proving an enigma for England

Why Carrick is still proving an enigma for England

Manchester United's talented midfielder has played international football for almost 14 years yet, frustratingly, has won only 32 caps, says Sam Wallace
Tracey Neville: The netball coach who is just as busy as her brothers, Gary and Phil

Tracey Neville is just as busy as her brothers, Gary and Phil

The former player on how she is finding time to coach both Manchester Thunder in the Superleague and England in this year's World Cup
General Election 2015: The masterminds behind the scenes

The masterminds behind the election

How do you get your party leader to embrace a message and then stick to it? By employing these people
Machine Gun America: The amusement park where teenagers go to shoot a huge range of automatic weapons

Machine Gun America

The amusement park where teenagers go to shoot a huge range of automatic weapons
The ethics of pet food: Why are we are so selective in how we show animals our love?

The ethics of pet food

Why are we are so selective in how we show animals our love?