Men are less likely to talk than women with 54% of women having had a conversation compared to 37% of men.
13 Charged Over Heathrow Protest
13 people have been charged in connection with a climate change protest which caused delays at Heathrow Airport.
Campaigners from activist group Plane Stupid staged the demonstration in opposition to airport expansion and caused 22 flights out of the Heathrow to be cancelled.
The Metropolitan Police said a group of men and women have been charged with aggravated trespass and entering a security restricted area of an aerodrome.
They are all due to appear at Uxbridge Magistrates Court on Wednesday August 19.
The Met have confirmed security at the airport would be reviewed following the protest, which took place in the early hours of yesterday morning.
A spokesman said: "The Metropolitan Police Service works closely with Heathrow Airport Limited to keep those who use or work at Heathrow safe and secure.
"The Metropolitan Police and Heathrow will jointly review today's protest incident at the airport and make necessary changes to the security plan."
Earlier this month a long-awaited report recommended a new runway should be built at Heathrow rather than Gatwick.
After three years of investigation, the Airports Commission said Heathrow was best placed to provide "urgently required" capacity, but environmentalists warned that building a new runway there would make it harder to reduce air pollution and climate change emissions.
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