You've got a lot of decisions to make as you build that leftover turkey sandwich. White or wheat? Mustard or mayo? How about cranberry sauce? One decision you'll probably make with ease is whether to ...

A puzzle posted in an online community unlocked a wormhole within the basic shape. Credit...Ian Henderson Supported by By Siobhan Roberts Lisanne Taams, a student at Radboud University in the ...

Well, what is the best way to cut a sandwich in half? Surely triangles don't really have "more sandwich," right? That's geometry and the law of conservation of matter. But something about the ...