The latest stories from the World section of the BBC News web site.
Updated: 4 min 43 sec ago
Facebook acquires LiveRail - a tech start-up that helps companies serve more relevant ads in the videos that appear on their websites and apps.
Scientists have worked out the unique anatomy that allows giraffes' long, spindly legs to support their weight.
An ancient creature halfway between a dinosaur and a bird had feathered "trousers" on its hindlimbs, a new fossil reveals.
A US ship carrying deadly material from Syria's chemical weapons programme leaves Italy in the final phases of the destruction of the arsenal.
The massive aircraft carrier that never made it off the drawing board
Egyptians uncertain about future under President Sisi
Why water surges are killing people in India
A double-decker Qantas Airways flight bound for Australia sprung a leak and was forced to return to Los Angeles, airline officials have said.
Five reasons why US will win World Cup - some day
The very serious business of cosplay - and bare skin
How to give a successful public apology
Tackle food waste and help feed the world
Some four million people in South Sudan are likely to face critical food shortages next month, British aid agencies warn.
Images reveal impact of war, including boy born in Nile marshes
The Iraqi Prime Minister Nouri al-Maliki has offered an amnesty to militants willing to "return to their senses" and abandon the Isis-led insurgency.