The US sends search crews to the Indian Ocean, after claims emerge that the missing Malaysian airliner may have flown longer than thought.
Veteran Labour politician Tony Benn has died at home at the age of 88, his family says.
A new era of medicine is being driven by an explosion in health-related data, writes the BBC's Matthew Wall.
Are long lunches and short office hours really the norm in certain countries? BBC Capital set out to separate the myth from the reality of the 35-hour working week.
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