Politicians don't just walk like apes, they talk like them too, study suggests

Politicians are well known for using body language to convey the impression of power such as George W Bush’s infamous ‘gorilla walk’ – palms facing backwards and arms stuck out from the sides.

But an academic study of the voices of four contenders to become US president – Democrats Hillary Clinton and Bernie Sanders, and Republicans Donald Trump and Carly Fiorina, who has since dropped out -- has revealed they also change the way they speak depending on the social status of the listener.

And the researchers believe they do so in a way that dates back so far in our evolution that similar behaviour may be found among the great apes today.

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