Putting the argument on slicing pizza to bed

Pizza is one of the few foods that is easy to share in theory but never in practice. Somebody always ends up with the smaller slice, causing a lot of relationship strife.
Thankfully, as detailed in New Scientist, a few mathematicians have been on the case for the past two decades and have finally devised a system for determining the portioning out of pizza when two people sit down to eat an entire pie.