Copper and lutetium metal ions chaperone this molecular strand into a three-twist knot. Credit: Credit: Stuart Jantzen, Biocinematics It’s annoyingly easy to tangle your headphones into a mess of ...

SMALL PRINT:MOST OF us curse knots – in our shoe laces, in long tresses, in our ties and in streams of traffic. But some people celebrate them, studying them with delight and disecting them with a ...

A Q&A with a veteran knot theorist discusses the strange origins of the discipline, as well as its modern-day applications. This field of mathematics, rich in aesthetic beauty and intellectual ...

For many of us, untangling our earbuds is the extent of our survivalist knot knowledge. Tying knots is just for sailors and mountain climbers, right? Turns out, there are a few simple knots that you ...