The Internet loves math, science, and food. Math channel Numberphile has merged these obsessions into one viral video that has already garnered over 1.3 million hits. It seems everyone around the world cuts cake the same way, like a slice of pie.

But Alex explains how that is actually the wrong way to cut cake as the next day the open parts of the cake aren’t as fresh as the rest. There’s a better, more scientific way, to slice cake.