The real reason why your beer glass has a bulge revealed

Whether it’s a quick pint with work colleagues after work on a Friday or spending a summer afternoon in a pub beer garden, the UK’s love of a good pint can’t be denied.

But while we will probably pick up hundreds if not thousands of pint glasses throughout our lives to take a sip of beer or cider, there’s a curious design feature on many glasses which you may not have paid attention to before.

The distinctive...