By Niamh Kirk Ordering a pizza can be a real treat, and while you wolf down the slices, you’ve probably never spared a thought on why they come in a square box rather than a round one. You’d be forgiven for assuming that it would make sense for the box to be round, seeing as the pizza is circular, but there’s a reason why the iconic takeaway food is always served in a square cardboard box instead. People’s minds have been blown once again, and thanks to one TikToker, the mystery has now been solved. The pizza fan, who goes by the username @FactBuddy, shared the explanation in a telling video, …