To Heide Moebius, it's no great mystery. It didn't come to her like a vision in the night, or through months of meditation while chanting some mantra. It's really just this simple: Life is to be lived ...

In 1977, two mathematicians created a conjecture that proposed the minimum size a paper strip needed to be in order to form an embedded strip. Although they proposed an aspect ration of 1.73 (or √3), ...