The UK's terror threat level is raised from "substantial" to "severe" in response to conflicts in Iraq and Syria, the government announces.
The Russian rouble falls to a record low against the dollar as investors fear further sanctions against the nation.
Russian President Vladimir Putin has compared Ukrainian military tactics to those used by German Nazi forces during the Second World War invasion of the Soviet Union.
Why one top executive quit his job, plus how to keep work from overtaking life
From designer Philippe Starck, cycles built for mud, asphalt, sand and snow
Order a sazerac in New Orleans and a local will likely tell you how the city’s official cocktail is also the world’s first. But is there truth to this tale?
Artificial flavours are more complex than first appears. Chris Baraniuk discovers a world of sensory trickery - and a curious myth about fake banana.
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