Here's a little breakfast trick that'll blow your foggy post-Friday-night mind. If you cut a bagel just right, you can spread your cream cheese across the smooth curves of a Mobius strip.
Hit the link for full instructions. Just be careful with that knife, please. Some of those cuts look like they could get complicated, especially on a Saturday morning. [Mathematically Correct Breakfast via Serious Eats: New York via Didn't You Hear]