19 February 2014
Rio de Janeiro's leaders hope the Olympics and World Cup will turn the city into a world-class capital. But crime threatens progress.
Lawyers for a double murderer whose lethal injection in Arizona took nearly two hours to kill him have called for an independent review of the execution.
A California wine dealer, who made $20m by selling fake vintage bottles to rich clients, faces years in prison when he is sentenced in New York.
A US teenager and his father who crashed their plane during an attempt to fly around the world knew the risks, a relative says.
Barclays challenges legal action brought by US prosecutors alleging fraud in its "dark pool" trading operations.
US senator says PTSD from Iraq partially to blame
The heroin 'antidote' that can save overdosing addicts' lives
Why do so many children die in hot cars?
10 theories behind Brooklyn Bridge white flags
How Grizzly bears navigate Canadian forests
Struggling in the shadow of a potential Hillary Clinton campaign
Has the US finally fallen in love with the beautiful game? BBC Sport
How street art gave a Miami neighbourhood new life
The Americans seeing a doctor for the first time in years
Iranian musician Hafez Nazeri follows his dream
Sir Chris Hoy reveals how he became Britain's greatest ever Olympian