IBM extends cloud services with SoftLayer acquisition

No price disclosed, but SoftLayer's business estimated at $2bn

Richard Patterson, Christina with green necklace, 2000
Oil on canvas, 36 3/4 x 36 3/4 in. / 93.2 x 93.2 cm

Art review: Richard Patterson, Timothy Taylor Gallery, London

This survey of YBA Richard Patterson’s career so far is bold, sensuous, and feels fresh rather than old hat recycled from the Freeze/Sensation years.

US orders new visa checks for arriving students following Boston Marathon bombings

The US Homeland Security Department ordered border agents to verify that every international student who arrives in the country has a valid student visa. The new procedure is the government's first security change directly related to the Boston Marathon bombings last month.

Workers make preparations before a dedication ceremony at the George W. Bush Library and Museum on the grounds of Southern Methodist University on 25 April 2013 in Dallas, Texas (AFP)

Shock and awe in Dallas as George W Bush’s library mission is accomplished

Blair and Berlusconi present at grand opening to mark the rebuilding of a reputation

Introducing the mind control mobile: Samsung says it is testing smartphone controlled by brain waves

Mobile phone giant Samsung has revealed that it is tworking on a smartphone that can be controlled by a user's brainwaves.

Aerial photos taken yesterday reveal the scale of the explosion at the fertiliser plant in West, Texas

Texas fertiliser plant blast: Once upon a time in West - the town that was blown apart

The devastating explosion at the fertiliser plant on Wednesday touched the lives of everyone in this small, tight-knit Texas town, reports Tim Walker in West

Texas Department of Public Safety Sgt. Jason Reyes confirmed 12 bodies had been pulled from the area of the plant explosion in West, Texas

Texas fertiliser plant blast: Death toll confirmed at 12

Many of those killed are thought to have been volunteer firefighters

Texas town of West begins to come to terms with news that at least 11 of its citizens are dead

As the fires were finally put out in West yesterday, this small Texas town was beginning to come to terms with news that at least 11 of its citizens were dead, following a huge blast at a fertiliser plant on Wednesday evening, which also injured around 160 people.

Richard Patterson’s painting which he remade after last one was destroyed in Saatchi fire

Richard Patterson: YBA's new show is a wheel sensation

How do you survive a fire? The YBA Richard Patterson lost four paintings in the east London Momart warehouse fire that destroyed much of Charles Saatchi's art collection in 2004. Losing art works like this is devastating for any artist –Tracey Emin's tent and works by Damien Hirst, Sarah Lucas and Gary Hume were also lost. Patterson has painstakingly remade one of these paintings and it will appear in a new show at London's Timothy Taylor Gallery this month.

Austentatious

Latitude 2013: Five minutes with... Austentatious

Austentatious is Cariad Lloyd, Rachel Parris, Amy Cooke-Hodgson, Andy Murray, Joseph Morpurgo and Graham Dickson. Together they do Jane Austen improve, somehow, in hour-long comedy plays based entirely on audience suggestions. And sometimes they do interviews...

The Swiss-made solar-powered plane, Solar Impulse piloted by Bertrand Piccard

Around the US in 55 days: Bertrand Piccard set to cross America in his Solar Impulse HB-SIA, the solar-powered plane that flies at night

A Swiss adventurer plans to fly his featherweight jumbo jet across America fuelled only by the energy of the Sun

Opposition leader quits as rifts deepen within
Syria's rebel coalition

Moaz al-Khatib urged to remain as head of alliance trying to form transition government

Ghassan Hitto has been elected head of Syria’s opposition transitional government

Last stop Dallas, next stop Damascus? Ghassan Hitto - the IT executive who wants to govern Syria

Just last year Ghassan Hitto was an IT executive in Dallas whose focus was probably lines of code or how to deliver a project on time. But today he was giving a speech in Istanbul in which he insisted his new priority was to utilise “all conceivable means” to topple President Bashar al-Assad and provide desperately-needed aid to the beleaguered people of Syria.

Syria fires rockets into Lebanon as coalition seeks first leader

Damascus sends warning that it will not tolerate arms and rebels crossing between two nations

David Akers #2 of the San Francisco 49ers waits during a power outage

Super Bowl power cut embarrasses NFL

The match was delayed for over 30 minutes

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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
Air strikes? Talk of God? Obama is following the jihadists’ script

Air strikes? Talk of God? Obama is following the jihadists’ script

The President came the nearest he has come yet to rivalling George W Bush’s gormless reaction to 9/11 , says Robert Fisk
Ebola outbreak: Billy Graham’s son declares righteous war on the virus

Billy Graham’s son declares righteous war on Ebola

A Christian charity’s efforts to save missionaries trapped in Africa by the crisis have been justifiably praised. But doubts remain about its evangelical motives
Jeremy Clarkson 'does not see a problem' with his racist language on Top Gear, says BBC

Not even Jeremy Clarkson is bigger than the BBC, says TV boss

Corporation’s head of television confirms ‘Top Gear’ host was warned about racist language
Nick Clegg the movie: Channel 4 to air Coalition drama showing Lib Dem leader's rise

Nick Clegg the movie

Channel 4 to air Coalition drama showing Lib Dem leader's rise
Philip Larkin: Misogynist, racist, miserable? Or caring, playful man who lived for others?

Philip Larkin: What will survive of him?

Larkin's reputation has taken a knocking. But a new book by James Booth argues that the poet was affectionate, witty, entertaining and kind, as hitherto unseen letters, sketches and 'selfies' reveal
Madame Tussauds has shown off its Beyoncé waxwork in Regent's Park - but why is the tourist attraction still pulling in the crowds?

Waxing lyrical

Madame Tussauds has shown off its Beyoncé waxwork in Regent's Park - but why is the tourist attraction still pulling in the crowds?
Texas forensic astronomer finally pinpoints the exact birth of impressionism

Revealed (to the minute)

The precise time when impressionism was born
From slow-roasted to sugar-cured: how to make the most of the British tomato season

Make the most of British tomatoes

The British crop is at its tastiest and most abundant. Sudi Pigott shares her favourite recipes
10 best men's skincare products

Face it: 10 best men's skincare products

Oscar Quine cleanses, tones and moisturises to find skin-savers blokes will be proud to display on the bathroom shelf
Malky Mackay allegations: Malky Mackay, Iain Moody and another grim day for English football

Mackay, Moody and another grim day for English football

The latest shocking claims do nothing to dispel the image that some in the game on these shores exist in a time warp, laments Sam Wallace
La Liga analysis: Will Barcelona's hopes go out of the window?

Will Barcelona's hopes go out of the window?

Pete Jenson starts his preview of the Spanish season, which begins on Saturday, by explaining how Fifa’s transfer ban will affect the Catalans
Middle East crisis: We know all too much about the cruelty of Isis – but all too little about who they are

We know all too much about the cruelty of Isis – but all too little about who they are

Now Obama has seen the next US reporter to be threatened with beheading, will he blink, asks Robert Fisk
Neanderthals lived alongside humans for centuries, latest study shows

Final resting place of our Neanderthal neighbours revealed

Bones dated to 40,000 years ago show species may have died out in Belgium species co-existed
Scottish independence: The new Scots who hold fate of the UK in their hands

The new Scots who hold fate of the UK in their hands

Scotland’s immigrants are as passionate about the future of their adopted nation as anyone else
Britain's ugliest buildings: Which monstrosities should be nominated for the Dead Prize?

Blight club: Britain's ugliest buildings

Following the architect Cameron Sinclair's introduction of the Dead Prize, an award for ugly buildings, John Rentoul reflects on some of the biggest blots on the UK landscape