What is a double cut bagel?

The cutting surface is a two-twist Mobius strip; it has two sides, one for each half. After being cut, the two halves can be moved but are still linked to...

How do you solve a wuzzle?

The trick to solving a WUZZLE is to figure out their missing “concept” because the concept are things such as over, under, in, on, before, after, between ...