The family of Michael Brown, the black teenager shot dead by a policeman, say they are "crushed" by the decision not to charge Darren Wilson.
Sir Andrew Witty says "tantalising" prospect of viable vaccine becoming available next year.
A nun who won Italy's version of The Voice singing contest has released an album, revealing some unusual song choices.
Male spider monkeys kill male babies to avoid competition
The festive season offers plenty of chances to score bargains - but how do you ensure you're buying the best possible deal? BBC Capital's Kelsey Hubbard found out.
Meet the scientist who wants to build the ultimate submersible - one that can bring us face-to-face with the strange creatures that live at the deepest depths.
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