News Zuckerberg's $33.4b fortune saw him enter the top 20 billionaires for the first time

The tech industry has spawned 23 new billionaires in the last year

The flag of the International Atomic Energy Agency - the agency has said Iran still has questions to answer on its past activities

UN reports halt in Iran’s nuclear activities three months after moderate Hassan Rouhani became president

When elected, Mr Rouhani promised he would seek to lift the unpopular international economic sanctions used to punish Tehran for failing to curtail its nuclear programme

Experimental YotaPhone with screens on the front and back to go on sale 'before Christmas'

An E-Ink display on the back of the smartphone will save battery and provide a convenient place for notifications, say the phone's makers

Sony Computer Entertainment make the Playstation consoles

PS4 launch: Early reports of hardware faults dog the console

Reviewers and competition winners who have received copies of the console early have reported problems with the PS4's HDMI input

The Business Matrix: Wednesday 13 November 2013

New Look rules out IPO for a year

Educators call for reform in how programming is taught in schools

One survey found that 54 per cent of teachers felt their students knew more about ICT than they did

New 'active' invisibility cloak design 'drastically reduces' visibility

Research from the US shows the limitations of current 'passive' designs and points the way towards new, 'actively' powered metamaterials

Wikileaks, Bitcoin and Raspberry Pi named by UK trust for promoting 'inspiring social change'

Projects covered a range of areas including "social exclusion", "access to knowledge" and "civic empowerment"

First ever metal 3D printed gun manufactured in the US

The gun has fired over 600 rounds in testing and 'functions beautifully'

Deal struck on wider UN inspections of Iran sites in boost to wider negotiations over Tehran's nuclear programme

Optimism about potential breakthrough in decade-long dispute raised

KPMG breaks new ground with launch of $100m technology fund

KPMG has stolen a march on its ‘Big Four’ rivals with the launch of what is thought to be the first significant investment fund established by any of the major accountants.

An iPad Air - Apple’s latest tablet - reportedly exploded in a Vodafone store in Australia prompting an evacuation

iPad Air 'explodes' in Australian phone store

The shop was filled with smoke prompting an evacuation and fire brigade call out

(Left to right) Foreign Secretary William Hague, with Iranian Foreign Minister Mohammad Javad Zarif, Germany's Foreign Minister Guido Westerwelle, and top EU diplomat Catherine Ashton

Breakthrough still uncertain as Iran nuclear talks enter third day

A meeting of some of the world's most powerful politicians was still ongoing this afternoon, as Iran resisted calls to scale back its nuclear programme.

The novel cure: Literary prescriptions for modern ailments

Ailment: Internet addiction

British RoboThespian is a life sized humanoid robot designed for human interaction in a public environment

Video: International Robot Exhibition 2013

Robot makers show off their latest designs at the International Robot Exhibition (iREX) in Tokyo, Japan.

Sachin Tendulkar's dismissal for 10 in the first innings of his penultimate Test can only have helped DRS's entire case

Sachin Tendulkar's injustice opens door for DRS

The Indian batsman's dismissal for 10 in the first innings of his penultimate Test can only have helped DRS's entire case

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A boy holds a chick during the Russian National Agricultural Exhibition Golden Autumn 2014 in Moscow on October 9, 2014.
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Ashley Young celebrates the winner for Manchester United against Newcastle
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Tikka Masala has been overtaken by Jalfrezi as the nation's most popular curry
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War with Isis: Iraq's government fights to win back Tikrit from militants - but then what?

Baghdad fights to win back Tikrit from Isis – but then what?

Patrick Cockburn reports from Kirkuk on a conflict which sectarianism has made intractable
Living with Alzheimer's: What is it really like to be diagnosed with early-onset dementia?

What is it like to live with Alzheimer's?

Depicting early-onset Alzheimer's, the film 'Still Alice' had a profound effect on Joy Watson, who lives with the illness. She tells Kate Hilpern how she's coped with the diagnosis
The Internet of Things: Meet the British salesman who gave real-world items a virtual life

Setting in motion the Internet of Things

British salesman Kevin Ashton gave real-world items a virtual life
Election 2015: Latest polling reveals Tories and Labour on course to win the same number of seats - with the SNP holding the balance of power

Election 2015: A dead heat between Mr Bean and Dick Dastardly!

Lord Ashcroft reveals latest polling – and which character voters associate with each leader
Audiences queue up for 'true stories told live' as cult competition The Moth goes global

Cult competition The Moth goes global

The non-profit 'slam storytelling' competition was founded in 1997 by the novelist George Dawes Green and has seen Malcolm Gladwell, Salman Rushdie and Molly Ringwald all take their turn at the mic
Pakistani women come out fighting: A hard-hitting play focuses on female Muslim boxers

Pakistani women come out fighting

Hard-hitting new play 'No Guts, No Heart, No Glory' focuses on female Muslim boxers
Leonora Carrington transcended her stolid background to become an avant garde star

Surreal deal: Leonora Carrington

The artist transcended her stolid background to become an avant garde star
LGBT History Month: Pupils discuss topics from Sappho to same-sex marriage

Education: LGBT History Month

Pupils have been discussing topics from Sappho to same-sex marriage
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Go bold this season: 11 best gel eyeliners

Use an ink pot eyeliner to go bold on the eyes with this season's feline flicked winged liner
Cricket World Cup 2015: Tournament runs riot to make the event more hit than miss...

Cricket World Cup runs riot to make the event more hit than miss...

The tournament has reached its halfway mark and scores of 300 and amazing catches abound. One thing never changes, though – everyone loves beating England
Katarina Johnson-Thompson: Heptathlete ready to jump at first major title

Katarina Johnson-Thompson: Ready to jump at first major title

After her 2014 was ruined by injury, 21-year-old Briton is leading pentathlete going into this week’s European Indoors. Now she intends to turn form into gold
Syrian conflict is the world's first 'climate change war', say scientists, but it won't be the last one

Climate change key in Syrian conflict

And it will trigger more war in future
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The nation's favourite animal revealed

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