Men are less likely to talk than women with 54% of women having had a conversation compared to 37% of men.
Thousands Flock to Thames Festival
It's the Thames Festival this weekend - with thousands of people expected to attand.
Southwark Bridge will be closed and turned into an open-air restaurant and there will be a fireworks display to end the festivities tomorrow night.
Activities along the river bank between Westminster Bridge and Tower Bridge - include markets - a mobile cinema and a night-time carnival.
London's Mayor Boris Johnson has told London's Heart next year's event will form the final celebrations for the Olympic games.
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A man has been fined £1,800 for flying drones over Parliament, near Buckingham Palace and over football stadiums.
Government to investigate after some restaurants accused of withholding tips
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