Throw out all you know about cake cutting, as London-based mathematician Alex Bellos shows us a 100-year-old trick that shows why we should be cutting them in lines so the whole cake can be sealed and stored. That’s right, the trick was first published in Nature on December 20, 906 in the letters to the editor section by English mathematical scientist Francis Galton. Continue reading for the video and more information.

“I don’t know if you’ve thought about it before but these triangular slices are really annoying anyway because it’s not very satisfying…having a nice uniform slice like that is a lot better. I think for the mathematical loners who don’t want to share their cakes it could be useful,” Bellos joked.