Scientists have discovered a key substance in the central nervous-system responsible for transmitting the sensation of an itch from the skin to the brain

Don't scratch the itch: Scientists find substance that could be key to stopping the sensation

Researchers found that removing natriuretic polypeptide b causes an itch to disappear

Steve Wilhite, inventor of the GIF file, poses with an award backstage at the Webby Awards. He says the file should be pronounced 'jif' not 'gif' with a hard 'G'.

GIF inventor Steve Wilhite says it should be pronounced 'jif'

The inventor of the Gif file has revealed that the world has been mispronouncing his creation.

Single ticket scoops $590m jackpot in Florida lottery

A single ticket in Florida has matched all the numbers to win the highest Powerball lottery jackpot in history at an estimated 590.5 million dollars (£389.2m), officials said today.

'A massive and unprecedented intrusion': Associated Press condemns US government for seizing journalists' telephone records without explanation

The Associated Press news agency has condemned the US government for the unexplained seizure of records of telephone calls made by its journalists.

No more fun and games in 'special relationship' as domestic woes dominate David Cameron's visit to Washington

When the British Prime Minister dropped in a year ago, Barack Obama threw him a party and took him to a basketball game.

South Korean President sacks spokesman for 'unsavoury' act during trip to Washington

The sacking of the spokesman, Yoon Chang-jung, 56, was announced after he broke off from the presidential delegation and returned home earlier this week

Prince Harry and first lady Michelle Obama meet at the White House

Michelle Obama pays tribute to Prince Harry as he begins tour of United States

Seven-day visit is the Prince's first to America since he caused outrage by being photographed naked during a weekend break in Las Vegas last year

North Korea moves missiles away from coastal launch site, say US officials

Musudan missiles believed to now be in non-operational location

The historic home of the Lakota Indians

The new battle for Wounded Knee: Sale of massacre site divides tribe

As a patch of their native land is offered for £2.5m, the Lakota people have been left split by what to do

A man cries at a site hit by what activists said was a Scud missile in Aleppo's Ard al-Hamra neighbourhood, in this 23 February 2013 file photo. The United States believes with varying degrees of confidence that Syria's regime has used chemical weapons on a small scale, the White House said on Thursday

David Cameron says evidence 'growing' that chemical weapons used in Syria

But PM said it was unlikely it would lead to British troops on the ground

US Secretary of Defense Chuck Hagel speaks with reporters after reading a statement on chemical weapon use in Syria

John Kerry says Assad's Syria regime HAS used sarin chemical weapons against rebels - despite Barack Obama insisting that was a 'red line' for US

Chuck Hagel and John Kerry reveal nerve gas has been used – but they will not invade for now

The new artwork by Shepard Fairey, attacking the anti-gun control lobby in America

Barack Obama poster artist Shepard Fairey joins gun control march in Washington

Famous for 'Hope' and 'Change' posters from the 2008 presidential election, Fairey says 'I’m not anti- 2nd Amendment, I’m pro-common sense'

For Farea Al-Muslimi, ‘the American’, the campaign against drones has barely begun

Farea Al-Muslimi stole the show when he appeared at a hearing in Washington this week on the fall-out from American drone strikes. But while he has welcomed the attention, he conceded that his campaign to force a re-examination of the use of unmanned aircraft has barely begun.

The News Matrix: Wednesday 24 April 2013

Kerry: prepare for chemical attacks

Eric Justin Toth being arrested in Nicaragua

Teacher Eric Justin Toth, who replaced Osama bin Laden on FBI Ten Most Wanted list over child pornography discovered on a school-owned camera, is arrested in Nicaragua

A former teacher who took Osama bin Laden’s place on the FBI’s Ten Most Wanted list over his alleged links to child pornography has been arrested in Nicaragua.

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Day In a Page

Burgundy, the River Rhone & Provence – MS Swiss Corona - seven nights from £999pp
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Save the tiger: The day America’s love of backyard tigers led to a horrific bloodbath

The day America’s love of backyard tigers led to a horrific bloodbath

With only six per cent of the US population of these amazing big cats held in zoos, the Zanesville incident in 2011 was inevitable
Once stilted and melodramatic, Hollywood is giving acting in video games a makeover

Acting in video games gets a makeover

David Crookes meets two of the genre's most popular voices
Could our smartphones soon be diagnosing diseases via Health Kit and Google Fit?

Could smartphones soon be diagnosing diseases?

Health Kit and Google Fit have been described as "the beginning of a health revolution"
Save the tiger: The animals bred for bones on China’s tiger farms

The animals bred for bones on China’s tiger farms

The big cats kept in captivity to perform for paying audiences and then, when dead, their bodies used to fortify wine
A former custard factory, a Midlands bog and a Leeds cemetery all included in top 50 hidden spots in the UK

A former custard factory, a Midlands bog and a Leeds cemetery

Introducing the top 50 hidden spots in Britain
Ebola epidemic: Plagued by fear

Ebola epidemic: Plagued by fear

How a disease that has claimed fewer than 2,000 victims in its history has earned a place in the darkest corner of the public's imagination
Chris Pratt: From 'Parks and Recreation' to 'Guardians of the Galaxy'

From 'Parks and Recreation' to 'Guardians of the Galaxy'

He was homeless in Hawaii when he got his big break. Now the comic actor Chris Pratt is Hollywood's new favourite action star
How live cinema screenings can boost arts audiences

How live cinema screenings can boost arts audiences

Broadcasting plays and exhibitions to cinemas is a sure-fire box office smash
Shipping container hotels: Pop-up hotels filling a niche

Pop-up hotels filling a niche

Spending the night in a shipping container doesn't sound appealing, but these mobile crash pads are popping up at the summer's biggest events
Native American headdresses are not fashion accessories

Feather dust-up

A Canadian festival has banned Native American headwear. Haven't we been here before?
Boris Johnson's war on diesel

Boris Johnson's war on diesel

11m cars here run on diesel. It's seen as a greener alternative to unleaded petrol. So why is London's mayor on a crusade against the black pump?
5 best waterproof cameras

Splash and flash: 5 best waterproof cameras

Don't let water stop you taking snaps with one of these machines that will take you from the sand to meters deep
Louis van Gaal interview: Manchester United manager discusses tactics and rebuilding after the David Moyes era

Louis van Gaal interview

Manchester United manager discusses tactics and rebuilding after the David Moyes era
Will Gore: The goodwill shown by fans towards Alastair Cook will evaporate rapidly if India win the series

Will Gore: Outside Edge

The goodwill shown by fans towards Alastair Cook will evaporate rapidly if India win the series
The children were playing in the street with toy guns. The air strikes were tragically real

The air strikes were tragically real

The children were playing in the street with toy guns