Men are less likely to talk than women with 54% of women having had a conversation compared to 37% of men.
Three bouncers have been charged with gross negligence manslaughter over the death of a man who was restrained outside a bar in Vauxhall.
Lewis Thorne, 22, Mark Pantalleresco, 51, and Sebastiano Ragusa, 30, are accused in relation to the death of 30-year-old Adam Hird.
Scotland Yard said the charges related to an incident outside the No.65 bar in Vauxhall, south east London, in the early hours of June 15, 2014.
Thorne, of Ramsgate in Kent, Pantalleresco, of Tadworth in Surrey, and Ragusa, of east London, were released on bail to appear at Croydon Magistrates' Court on 9 June 2015.
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A man has been fined £1,800 for flying drones over Parliament, near Buckingham Palace and over football stadiums.
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