MIT is making a new kind of 3D printer that can change the colour of the objects you print.

Leicester City winger Riyad Mahrez hands in a transfer request but the club have no interest in selling him before the transfer deadline.

Sam Clucas scores twice as Swansea City beat Arsenal to move out of the Premier League relegation zone.

The Islamist group's power and reach have surged since foreign combat troops left, the BBC finds.

Liverpool shore up their place in the top four by putting successive defeats behind them with a comfortable win over Huddersfield.

Dominant Celtic inflict Hearts' first defeat in 13 matches to move 14 points clear at the top of the Scottish Premiership.

United Airlines refuses to let a woman in New Jersey board a plane with a peacock, citing its size.

Who is likely to be on the move on deadline day and how can you follow the latest moves?

Additionally the employee who sent the warning, who had a record of poor performance, is fired.

Kenya's main opposition leader stages his own "swearing in" after two disputed elections. We explain.

The president speaks of "one American family", but Democrats say he has left the nation "fractured".

Film critic Shubhra Gupta shines a spotlight on the history of sexism in Indian films.

The first part of the BBC's series on online conspiracy theories: why some people think chemicals are dropping from the sky.

A campaign in several African countries wants to stop child brides and keep girls in education.

Jasmine Ahumada, from California, attaches spiders and bees to her face to create her distinctive looks.

As the worldwide demand for used and worn clothing plummets, what do we do with our unwanted clothes?

How businessman Tran Qui Thanh built Vietnam's largest soft drinks firm, THP, and his plans to become a worldwide brand.

The aircraft was not on its usual path to Sydney when it crashed, killing six, the operator says.

President Donald Trump delivers his first State of the Union address.

"Four in five" women undergo changes in memory and concentration during pregnancy, new research suggests.

Lobsters and crabs are sentient organisms that feel pain and need more protection, say campaigners.