Calvin Klein is delivering a message in a bottle – a really, really big bottle. His fabled fashion house plans to erect a three-story-tall display in Times Square that looks like a perfume ...

The most curious thing about the Klein bottle is that it is a four-dimensional figure, which makes it impossible to recreate, since the world that humans know is three-dimensional.

Prepare to be amazed as we delve into the fascinating world of higher dimensions and geometric paradoxes in this mind-bending exploration of the Möbius Strip and Klein Bottle. These objects ...

Big cats like lions, tigers, and leopards go nuts for Calvin Klein's Obsession for Men, and now a UK zoo is calling for donations of the cologne.