There’s been some talk in the news recently about the relationship between a man’s hand size and his penis size (mentioning no names ). Whatever your opinion is of politicians slinging around insults about each other's manhoods, the debate no doubt led to a fair few men giving their hands a long hard stare. But is there any truth to this infamous correlation?

Perhaps surprisingly, there’s been some scientific investigation into this very important matter. To save you the embarrassing Google search, this video from Discovery News' TestTube gives you the low-down on all you need to know about the subtleties of male anatomy.