Cheaper pints of beer could be coming thanks to new scientific discovery

The discovery is based on a new “bottom-up” tapping system in which a nozzle pushes up a magnet

Cheaper pub pints could be on the horizon after scientists worked out how to extinguish too much FROTH.

The head is generated in the first moments of pouring - with higher temperatures and pressures producing most.

It sheds fresh light on why most drinkers prefer a cool lager to a warm real ale.